Warhammer 40: My Fiancée Fulgrim.

Casca traveled to the wasteland world.
The earth was covered with yellow sand and poisonous radiation clouds, and the only human habitations left were the fortress factories behind desolate iron walls.
He was determined to save it all.
Before that, as the unfavored youngest son of a powerful family on the planet, he was about to have a political marriage with a female workshop worker.
The other person was a beautiful girl with white hair and purple eyes.
Except for being a little bigger than the others, everything else is perfect.
He is satisfied.
Until I heard that the other person's name was Fugrim.
what! ?
Fulgrim?!
He expressed doubts about this.
He realized something was wrong.
He cried out like a fart whose toes had been stepped on.
......
Damn it, I’ve traveled to the Warhammer world!
It's still a Warhammer world where Slaanesh is as rampant as a scourge!
But he was still confused and determined to save everything.
......
In the distant and dark 30th millennium, the Emperor's proud flagship.
Phoenix Grand Theatre.
The Primarch of the Third Legion, Fugrim, once again took off her power armor gauntlet and showed off the Sagittarius gold ring on her left hand to the legionnaires:
"...Thirty years. The thirty years that Kaska and I spent together on Chemos might not be considered long..."

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