Paradise Shift

One day, Yuuki a third year high schooler suddenly realizes the world he lives in has turned into a mix of SF and fantasy.

Before finding out video games and anime, his favorite pastime, don’t exist in this world.

Afterward, in an effort to adapt to this world, he diligently trains and attempts to recreate the moves from those works in real life, promoting a rapid growth beyond the world’s local inhabitants.

And then he chooses to enter the most prestigious school who have students from another world attending.

And finally–

“Cohabiting with an older elf girl is like a dream come true. I’m not going back to my old world.”