Following the suicide of Yuka, a victim of bullying, her brother Asaharu becomes disappointed in himself, and encounters an angel. The angel proceeds to offer him a deal: find the...

In his search for answers behind Yuuka's suicide, Asaharu embarks on a race against time to discover the sender of a mysterious email addressed to the school's students. Get ready...

After facing never-ending loops and reaching his physical and emotional limits, Asaharu finally manages to discover the identity of the enigmatic culprit. But is he ready for the shocking truth...