This is already her 12th time attempting su*cide. Tsukimi Ichinose stands on the platform as the train speeds by, her typical beautiful appearance seemingly far from suicidal intentions. No one knows she’s a victim of bullying at school and has already made up her mind to seek death. This is already his 12th time saving her. Jun Aiba can’t believe someone’s determination to die surpasses his own. Sometimes on the platform, sometimes on the bridge, he always “saves” her at the critical moment, though for the girl, it’s nothing but a “hindrance.” Tsukimi doesn’t know this annoying boy’s timely appearances are not due to miracles, but a deal with the Grim Reaper. He trades for a “Time-Eating Silver Watch” that can turn back time by 24 hours, but the price is having only three years left to live. So, Jun repeatedly rewinds time to the moments before Tsukimi’s su*cide. He takes her on outings, listens to her feelings, and as they gradually get closer, Jun Aiba becomes so happy that he almost forgets the Grim Reaper’s warning: never regret the decision to give up on life…