Nearly halfway through the last semester of the second year of high school, the school organized students to visit the aquarium.

After Tong Nan and Song Yinchi quarreled, they didn't even want to share the school bus seat.Song Yinchi has been staring at the back of Tong Nan's head since he got on the school bus until he entered the aquarium.

Tong Nan lay on a huge glass, admiring the magnificent and mysterious marine life inside.

Song Yinchi observed each other in the crowd, and gradually found that the air became restless, and Tong Nan's eyes became a little blurred, and he looked very uncomfortable while clutching his abdomen. Song Yinchi frowned and looked at her, and suddenly flashed in his mind what he learned in physiology class some knowledge.

- This is a lot like differentiation.

The rioting crowd around proved Song Yinchi's conjecture.

Tong Nan dawdled against the cold wall, two dark blushes on his face.Seeing her strange appearance, Song Yinchi forced his way in from the surrounding crowd, put Tong Nan on his back and ran to a secluded place.

It is estimated that Tong Nan's differentiation level is very high, otherwise everyone who took suppressive drugs before going out would not have such a irrational move.

Tong Nan kept wriggling on Song Yinchi's back. Song Yinchi was a type with low body temperature all the year round. Tong Nan couldn't help but put his hot face on her skin.

But if this is the case, how can Song Yinchi stand it?The heart is about to jump out of the chest.

The aisle was dark, and the sophomore girl's physical strength was also very limited, and she was panting heavily. Song Yinchi had to put Tong Nan down temporarily.

A layer of hot sweat broke out on the back of the neck and back, and the girl's pheromone smell was tainted, and Song Yinchi also felt a little hot.

She breathed calmly and supported Tong Nan with one hand, but she was pressed against the wall by the other party without paying attention.

Song Yinchi's eyes widened, looking at the approaching gorgeous face.

Tong Nan pressed against Song Yinchi, and a suppressed sob sound came out of his throat, "Please... bite me..."

Omega has just differentiated and will go through a period of extremely fragile fever, so isolation is usually required during differentiation, but Tong Nan's differentiation day comes too suddenly, and there is no time to prepare at all.

Staying away from the crowd was the only thing Song Yinchi could do at the moment.

Song Yinchi's eyes were red, and he gritted his teeth to restrain the surging impulse in his heart, "Tong Nan, I can't—"

The little Omega leaned over, hooked her neck with his arms like bones, his eyes were full of water, and there were still crystal teardrops hanging from the eyelashes, his cheeks were flushed, and the breath he exhaled was hot.

Tong Nan caressed Song Yinchi's chest|chest, "Your heart beats fast, and you don't feel well, right? Then give me a bite...or let me take a bite."

For a while, Song Yinchi almost couldn't tell whether Tong Nan had fallen into a fever or not, and whether his consciousness was still normal or not. Every word he said could make her speechless and seduce her again and again.

It was exactly the same as the usual Tong Nan.

In fact, Tong Nan is very innocent.

It was Song Yinchi who had imagined too much.

"Tong Nan, this is not right, this is wrong..."

Song Yinchi watched Tong Nan bend her neck, exposing her glands to be picked by others, she was so fascinated that she was about to stick her lips to it, but she stopped the car just in time, hugging her face and saying "I'm sorry".

At that time, Song Yinchi was still a high school student who abided by the rules and morals, and was also a simple child who could love others.

And the current moral rules that look cold but actually have been torn to pieces by crazy possessiveness and jealousy.

Very different.

Song Yinchi, who grew up, was black from the inside to the outside.

But the young Song Yinchi was pure and clear.

The dark fire escape, the air is stuffy and the smell is heavy, and the rain pheromone that belongs to Omega spreads, layer by layer, closing Songyin Pool tightly, like drowning in deep water, with difficulty breathing.

Song Yinchi's eyes were red, his teeth were firmly biting his tiger's mouth, his face was raised, and he didn't dare to look down at Tong Nan in his arms.

There was a sound of "Song Yinchi" in the ear, like a thin kitten acting like a baby, with soft paw pads stepping on the tip of a person's heart, which made Song Yinchi feel a very warm, indescribable and wonderful feeling.

It was as comfortable as soaking in warm water, and it was like swallowing a drug that paralyzes the nerves. The whole person was a little swayed, and he almost couldn't hold the person in his arms.

Song Yinchi, just let me kiss you.

Tong Nan hooked Song Yinchi's collar, buried his hot face into the other's neck, and called softly.Taking advantage of the other party's trance, the red lips moved back along the curve of the slender neck bit by bit, accurately enclosing the gland.

Song Yinchi couldn't help trembling all over, his straight waist collapsed, his whole body wished he could fall limp to the ground, his sensitive glands were wrapped by the warm mouth.

Tong Nan first used his moist tongue | to relax Song Yinchi, while his tiger teeth gently grinded the skin around him, and then, tentatively, he grabbed the gland.

She pressed Song Yinchi's hand harder, her knees pushed forward, jamming him, and Song Yinchi was firmly pressed against the wall by her.

She held the back of Song Yinchi's neck with one hand and pressed down, which would better hold the gland.

The smell of rain in the air blends with the scent of lily of the valley, like the smell of potted plants in front of the window sill after the rain.

Tong Nan lay on Song Yinchi's back, with tears in his eyes, but his eyes were full of aggression, and he bit open Song Yinchi's gland with his teeth, and poured the pheromone into it.

The depression in his heart gradually dissipated, but Tong Nan still didn't let go of the back of Song Yinchi's neck, stuck out the tip of his tongue, and kept drawing shapes.Warming after completion of marking.

Song Yinchi squatted on the ground, the bone-eating pleasure burst in his head, he could not restrain himself from "humming", he was hugged tightly by the person behind him, as if he was afraid that she would run away, his glands were sore and numb, and there was still Fresh fullness - filled with pheromones.

She was hooked by Tong Nan's S-level pheromone and turned into Alpha. Now things are completely out of control, and a wild horse is generally developing in a strange direction.

Song Yinchi didn't know how to face Tong Nan.

She... She doesn't even know if Tong Nan likes her - they are still in a cold war.

Tong Nan noticed Song Yinchi's absent-mindedness, and bit down her teeth even harder. The desire to control and conquer made the end of her eyes glow, and excitedly hugged Song Yinchi's head, greedily absorbing the sweet scent of lily of the valley .

The newly differentiated Omega desperately demanded without satisfaction, and Song Yinchi felt that he was about to collapse.

I don't know how long time has passed, and the skin on the back of the neck has lost the ability to perceive. Fortunately, the smell of pheromones in the air gradually dissipated and Song Yinchi regained a little consciousness.

The strength of the bite gradually loosened, and Tong Nan fell asleep, lazily lying on her back.

Song Yinchi stood up carefully holding the wall, her abdomen and legs were sore and numb, but she still held Tong Nan firmly and sent him to the hospital.

When she returned to her home, she had time to check the condition of the back of her neck. The glands were obviously swollen, and the color of part of the skin was turning purple, as if someone had ravaged her. When she touched it with her hands, there was even wet fluid. |The body leaks out.

Gently pressing down, an electric current rushed out of the spine, numb, Song Yinchi held the sink, and almost lost his footing.

Deep markup.

Song Yinchi looked inexplicably at himself in the mirror, whose face was as beautiful as peaches and plums, his eyes were watery, his lips were dark red, and his cold white skin was as clear as snow.

It was marked as soon as it differentiated... She propped her forehead, and remembered with distress that there was such an introduction in the book of physiology class:

[Once the A/O marked by Alpha/Omega shortly after the initial differentiation, if they have a high degree of compatibility with each other, they will become dependent on each other's pheromones, and they will also be more sensitive...]

This is only superficial, and the deep introduction says that "it will only respond to the marked party, and it is difficult for others...", which is defined as pheromone attachment disorder in the book.

Song Yinchi himself likes Tong Nan, but he is secretly in love with him, and he can't see the future and the result.

However, the existence of pheromone and the second gender deepened the bond between the two.She unbuttoned it from top to bottom and took a shower. During the bath, there seemed to be the smell of Tong Nan's pheromone in the whole water vapor. It was hard to tell whether it was hot water or desire that made Song Yinchi blush.

Lying back on the bed, the secret longing lingering in her heart caused Song Yinchi to look up at the ceiling, and she couldn't help but grab the sheet underneath, recalling the touch in the afternoon... her face became slightly hot, and she realized that this was not a good sign, she had to find Do something.

She took out her mobile phone and called the teacher to ask about Tong Nan's situation. She stared at the phone for 15 minutes before the teacher replied that everything was fine.

Everything is fine on the line.

Song Yinchi rubbed his cheeks, and when he got a response, the tense nerves in his brain finally relaxed.She covered the back of her neck, curled up into the shape of a shrimp and fell asleep.

Going back to school the next day, the marked sequelae made Song Yinchi slumped on the last row of desks all morning.

Tong Nan came over and said thank you for yesterday's help.

Song Yinchi raised his eyelids, glanced at her awkward expression, and smiled slightly. In the dog days, the air was hot, but she zipped her school uniform to the highest point.

The collar was turned up, tightly blocking Tong Nan's suspicious gaze.

"It's okay." Song Yinchi replied with a hoarse voice.

Her throat was blocked and it was difficult to breathe. She was holding a pen in her hand and was trying to put the cap on, but failed many times.

Song Yinchi exhaled, lowered his head and waited for Tong Nan's next sentence.

"... that's fine."

Tong Nan seemed speechless, only dropped two words and went back to his seat, with the back of his round head pointed at Song Yinchi.

Song Yinchi squeezed the pen in the palm of her hand tightly, and the cap of the pen poked her palm painfully, but she stared blankly at Tong Nan as if she didn't feel any pain.The other party went back to his seat, sat on the desk with his legs on the horizontal bar of the stool, and was chatting with his deskmate, and even hugged and laughed when they got happy.

Jealousy stepped on nerves, Song Yinchi pursed his chapped lips, his nose turned red——

These treatments were exclusive to her before.

The low-grade fever made Song Yinchi a little confused, and he wanted to confess.

But in the end, nothing was said.

After more than a month, the two seldom communicated, and Song Yinchi realized that she and Tong Nan had broken up completely.Tong Nan's attitude towards her has reached a level of disgust, so if she speaks up, it will only add to the burden if the trouble is not good.

So Song Yinchi went abroad with a secret.

The blue shark swam in front of the two of them, and Song Yinchi pressed his palm against the glass, and the light in his eyes dimmed a lot when he recalled the past.

She turned her head to look into Tong Nan's eyes, "You must have no memory of what happened that day—"

Tong Nan's eyes widened, and he said in disbelief: "How could I say such useless words? 'Please mark me'? It's impossible——I didn't suppress you..."

"It's good to bite you!" Under Song Yinchi's playful and provocative gaze, he still didn't hold back, and said the second half of the sentence.

She scratched her hair a little irritablely, but she couldn't remember the original scene at all, so she could only cast her expectant eyes on Song Yinchi.

It's fake, right?

Tong Nan's eyes said so.

Even if it is true, Song Yinchi is also an Omega, so it doesn't matter, but Tong Nan suddenly thought of Ye Zhi's words again, could it be...

The corners of Song Yinchi's lips twitched slightly, his face was cold, and there was a faint smile in his eyes, "Tong Nan, otherwise you think we are both Omega, but it's strange, what is the reason for the special reaction? In the final analysis Bottom, isn’t it…”

At the end, her voice suddenly dropped a few degrees.

Tong Nan was almost driven crazy by Song Yinchi, and grabbed her arm, "What is it? Say it!"

"Tong Nan, just like you thought, you bit me..." Song Yinchi looked away and said it after a few years, but his heart still lightened suddenly.

She bent her eyes and asked in a low voice, "Tong Nan, will you be responsible for me? I don't blame you for forcing me."

The author has something to say: After entering v, I will try to update it stably.

This book is very important, and it lists various details, so it must be well written.

Asking for a pre-acquisition next door, also an ABO, focusing on writing.

"Only interested in her [abo]"

Gentle and irritating big sister x fishing green tea wolf dog | Clever stealing | Age difference of six years

Jiang Mei, daughter of the Jiang family, is well known in the entire Beijing circle.

Excellent Alpha, casual in words and deeds, beautiful and sharp, with a pair of affectionate eyes slightly sunken, but cold and unfeeling.

However, no one knows that there is someone living in her heart.

That was the neighbor sister, He Sui, whom she had admired since she was a teenager, six years older than her.

The older sister is hot and flirtatious, and has had many boyfriends and girlfriends, but she just refuses to look at Jiang Mei more.

One day, my sister got drunk and pulled Jiang Mei to complain about her ex-girlfriend.

Jiang Mei was crazy with jealousy, but she pretended to be calm, took the wine glass from He Sui's hand, and whispered softly beside her ear:

"Sister He, why don't you consider me?"

"At least I'll make you happy..."

He Sui was drunk and looked confused: "Amei, what are you talking about?"

"I'm your sister."

Jiang Mei's eyes were slightly dark, and she pressed her rose-colored lips.

Let the heat burn each other.

When He Sui woke up the next day, he found that everything was messed up, and the glands at the back of his neck were numb and painful.

And the obedient girl in the past was lying on her side, her eyes were moist, and she asked in a low voice:

"My sister will take responsibility for me, right?"

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