Magical★Explorer: Eroge no Yuujin Chara ni Tensei Shitakedo, Game Chishiki Tsukatte Jiyuu ni Ikiru

Reincarnated as a character in the eroge title“Magical☆Explorer,” our hero ends up as a side-character instead of the protagonist. Not to worry, though! He knows this game well.

(Source: Yen Press)