Goodbye, Despairing Miss

Jiu Jizhi transmigrates into the world of Danganronpa, at a point before anything has happened, and resolves to stop despair.

However, when Jiu Jizhi opens her eyes again, she discovers that she has lost the four years of memories from after her transmigration. By then, the students of Class 78 have already begun killing one another.

The characters may be out of character.

Includes lots of fanon.