The Martial God who Regressed Back to Level 2 - Chapter 646:

In an era when the power of Fire Magic was considered to have reached its limit, one girl began researching nuclear fusion.

It’s the vacation of a lifetime, a trip to a remote island filled with geniuses and murder.

A man betrayed by a comrade dies a wretched death as a third rate swordsman. His existence, his life, his emotions are all a nuisance in the eyes of society. But wait… What’s this green skin? Reincarnated as a goblin? Wait, I went back in time as well?

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.