As his high school days near an end, Taichi Ichinose notices a familiar face in his class year after year – his childhood friend, Touma Mita. Alongside Touma sits the reserved and awkward Futaba Kuze, a mirror image of Taichi that he struggles to engage with. A chance meeting in the library connects Taichi with Futaba, unveiling her unrequited love for Touma. Despite initial hesitation, Taichi commits to supporting Futaba's desire for change. As the season transitions to spring, the trio's dynamics deepen, weaving a complex web of emotions and conflicts as they confront an uncertain tomorrow.