Qpi's Time Reversal Chronicle

When Kaminari Qpi falls asleep in class, she wakes up to find herself exactly one year in the past—with only a shattered watch and the blood-soaked memory of her senpai's death to prove it was ever real. One year from now, aberrations will tear through Mikage City. Akatsuki Mitsuki, the senpai who gave her life to save Qpi, will die on the banks of the Kagami River. Qpi watched it happen. She woke up screaming from it every night since—until the moment she opened her eyes in a classroom that sh