Knight: A strange start, seizing the power of the king

This book is also known as "Weird Gambit: I am the Knights' Brother-in-Law"
Raven traveled to the world of Kamen Rider and was transformed into the first artificial proto-Amazon.
From then on, based on the Amazon's devouring characteristics, it gained the ability to devour monsters and evolve infinitely.
Devour Zerg: Gain super acceleration and free mimicry abilities!
Devour the Overlord: Gain the power to control Helm's underworld!
Devour the alien Oma Zi-O: gain the power of Oma!
However, in order to live a leisurely life, Raven initially planned to be an ordinary coffee shop owner.
So he used the coffee shop as his base, traveling between various knight worlds and encountering many beautiful women.
From then on, he became the knights' brother-in-law.
Raven: I'm just a coffee shop owner passing by. Sister, would you like to have a drink with me?
As he experiences more and more worlds, he meets Ryotaro's sister Nogami Airi, Silly Orange's sister Kuzuya Akira, Tsuyoshi's sister Shidao Kiriko... and the two sisters in Polar Fox, Tsumurai and Sakurai Sara... (The heroines include but are not limited to them)