Yushi is a shy, clumsy boy who only speaks to a few o his friends and has a big crush on Sion, a popular boy who acknowledges Yushi's existence. contains: mlm ships; YuSion, JaeRi and Sakuryo. + other nct/riize ships (e.g. ChenJi, SungTaro) based on a high school point of view.

Tokunō Yūshi's ordinary life is upended when his friendship with Oh Sion stirs a dangerous, unrequited love. As his feelings deepen, a rare condition-Hanahaki Disease; causes flowers to bloom from his lungs, forcing him to balance the joy of closeness with the fear of dying. Amid school chaos, sports, and adventures moments, Yūshi hides his suffering while Sion remains unaware, and the return of his ex, Yoon Sangah, threatens to shatter everything. A raw, emotional, and cinematic story of friendship, obsession, and the unbearable pain of loving someone you cannot have.