Blue Box Vol. 5 — Manga Raw / Buy Official

During the school festival preparations, Taiki sees a side of Chinatsu that transcends the senior-junior dynamic; she is vulnerable, conflicted, and human. This realization deepens his affection, forcing him to acknowledge that his feelings are no longer mere infatuation. Meanwhile, Hina remains the silent witness to their growing bond. Though she loves Taiki, she suppresses her heart to support his pursuit, a selfless act that weighs heavily on Taiki’s conscience. On the court, Taiki faces a brutal turning point in the prefectural qualifiers. Stalled by his own limitations and the overwhelming pressure of his feelings for Chinatsu, he pushes himself to the point of collapse. A single, powerful smash during practice becomes the catalyst that reignites Chinatsu’s own competitive spirit. Their relationship shifts from convenient cohabitation to a profound, mutual recognition of their dreams. With Hina’s quiet heartbreak and Chinatsu’s raw, honest confession, the trio finds themselves at an irreversible crossroads, forced to face the consequences of their growing affections.