The Magic Academy's Physicist - Chapter 218: Atonement (1)

1. Download a suspicious game
2. Catch a few magical pets as partners
3. Go through interesting daily routines and lead the pet shop to a whole new level

- Description from Novelupdates

The course of commitments never did run smooth.

The Hero’s party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on.

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.