Harem God: Leveling Up Yanderes in the Apocalypse - Chapter 6 A Ruined Moment

Mary was an only child. She came from an ordinary family and worked at a publishing house. She worked diligently every day but was always harassed by her manager.

A data loving young man from Earth has an accident which transports him to a dark land filled with terrifying creatures and magical powers. Fortunately for him, he has a Biological Assistance Chip to ease his path. However, things in this bizarre and strange world are not always as they seem, and, though it is a tremendous asset, the chip doesn’t always work as expected. With all of the crazy creatures and magical mayhem around him, one can only wonder what the future holds for this young man…

- Description from novelupdates

Due to a problem in his soul, Rean never cared about anything in his life. Even though he died heroically, there wasn’t really a 'will' behind that action.

“Can’t I properly read stallion novels anymore!”