After the Fake Young Lady Stole Everything from Me, I Became the World’s Sweetheart - Chapter 16

Got roomed with another straight man in a love hotel and had to share a bed. Meeting by the road side on a certain day, the boy in his arms was smiling wildly.

Hey, let me explain myself, don’t go ahead of yourself. I was just being a samaritan. I had to help, even if I lied about being a straight man like you.

Are you running away after getting me excited? Let’s see what kind of ending you want today.

Since you all asked for a wife chasing crack, then let’s perseverate to the end. I’m not crazy, you are the one who is crazy. This is probably a crack but still gentle gong and a shou fighting against the crack story. Lighthearted! Comedy! No brain cells will be lost!

- Description from Novelupdates

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.

A class full of idols and beautiful people are sent to another world. However there is one guy who is ugly, fat and smells… our protagonist. This is his comedic story of evolution and the slow building of his harem. The first heroine is a gorilla.