Otherworld Nation Founding Chronicles - Chapter 1 Episode 6

Cho Ryu Hyang was good at math from a young age. When he enrolled into the The Theoretical Maths and Martial Arts School, the teacher, Jo Gi Chun, recognized Cho Ryu Hyang’s talent immediately and took him in.

Our straight (?) bottom woke up ten years into the future and found himself on the bed of his childhood friend… At the start, the bottom was shocked to his very bones, but he soon quickly accepted this premise and found the whole situation to be rather amusing. Precisely then, the bottom once again went back to his timeline — back to when he and the top were just platonic childhood friends.

Landmines include but are not limited to: Sweet & naive bottom, a president story, logic is dead, slow-progressing romance, the protagonist’s name has too many character strokes, the names are hard to pronounce, too many gay characters…

Why is there a person on Mars who is not wearing any protective clothing?

The Martian: Aliens

Jason wearing a hockey mask stabbed someone in the back and was cut in half with a backhand? !

“Friday the 13th: Backstab”

Kerrigan brought the swarm to the human colony star, and found that countless equally ferocious monsters had already been prepared.

Zerg Descends: Biochemical Frenzy

…

“Ha, why does every time I go to a world, I always encounter some strange things!” Li Wei’s hands turned into dark red claws, provoking Freddy’s small body.

- Description from novelbuddy

Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world!