Manga adaptation of Jippensha's Kokkeibon by the same name.

From *Gaku Gaku Animal Land*: Arc tries to glean what's so special about Shiki's high-school experiences by teaching his class for a day.

Game developer Mikoto Sato, who worked for a black company, dies of exhaustion while developing an Otome game. When she wakes up after her death, she is Ruchir, a character from the game "Jewel Supporter," which she had created before her death. However, Ruchiru is a small-fry character who is supposed to die quickly during the tutorial. Having survived the tutorial, Mikoto (Ruchiru) realizes that there is a terrible bug lurking in this game and immediately begins to fix the game. As Ruchiru (Mikoto) fixes the bug, the handsome guys start doting on Ruchiru one after another...