Seishun wa Sankakukei no Loop

Having watched her more closely than anyone else, Tsubaki recognizes the truth: she has fallen in love. The object of her affection is his best friend and their mutual childhood companion. Resolved to suppress his own feelings and support her happiness, Tsubaki dedicates himself to bringing the two childhood friends together. His efforts s쳮d, and the pair finally become a couple. Yet, after witnessing their union, Tsubaki endures a sleepless night, stifling the urge to scream in despair. When he opens his eyes again, he finds himself transported back one week in time, returning to the moment before he chose to give up on his own heart.