MTL - Martial King’s Retired Life - Chapter 35 . The ending method is a bit weird.

Due to a bug in the game, Ren Changsheng accidentally left the game idle for ten million years.As he watched the endless stream of experience points, all Ren Changsheng could think was, 'I really do not want to level up!'

Infernal Demon Dragon: A dog like you dare to face me in combat? Do you wish to die so much?

Kai is refused help from the president and thrown back into ground zero, where he meets a man whom he shows kindness to. As an act of repayment Kai is taken to the under tunnel of the city where he discovers a secret office belonging to his father. The stranger seemed to know what he was looking for after some time he handed over a box to Kai. A melodic robo voice came from the box -|DNA ACTIVATION VERIFIED|- -|ASTRAL NODE IS ONLINE|- -|SYSTEM HAS BEGUN ACTIVATING|- -|AWAITING MANUAL OVERRIDE TO TURN ON SYSTEM|- Kai is gifted a rare astral node and resolves to join the academy to save his dying sister from the F-X7 disease and also escape the life of poverty they were stuck in. -|PASSWORD CORRECT|- -|MANUAL OVERRIDE SUCCESSFUL|- -|SYSTEM IS UPDATING, PLEASE BE PATIENT|- -|SYSTEM UPDATE IS COMPLETE|- -|SYSTEM IS ONLINE|- Joining the academy does no guarantee his success since he has no powers. But he must survive since that has been his goal after being sold to slavery. -|USER: KAI HALSTEN|- -|RACE: HUMAN|- -|GENDER: MALE|- -|LEVEL: ONE|- -|EXP: 0/100|- -|HP: 10/10|- -|BEGINNING BONDING|-

Suzuki, an adult programmer, suddenly notices that he’s been thrown into a different world while wearing a casual clothes at level 1. He gained high levels and treasures after using the 3 times use-disposable-magic, Meteor Shower, at once. After that he intends to do different world “sightseeing tours”?

He meets 3 beast girls, beautiful purple and black haired sisters, and an eccentric blonde haired elf girl along with various people during his trip. Although there are occasional fighting with demons and demon lords, this is a heartwarming fantasy story at heart.