Hayato Matsūra, a supporting character, stands tall and lean with short, tousled brown hair and eyes variably noted as purple or brown. He shares employment with protagonist Tsuneo Suzukawa at a diving shop, their camaraderie marked by easy rapport. His laid-back, carefree demeanor often sparks into playful energy and unabashed flirtations with women he admires, though he tempers these tendencies with a quiet respect for boundaries. Intuitively attuned to his friends’ unspoken emotions, he intervenes with timely support during pivotal challenges, revealing a capacity to shift from lightheartedness to earnest dedication. Instrumental in Tsuneo’s post-accident recovery, Hayato aids the protagonist’s transition from hospital confinement to a transformative library encounter, a narrative linchpin resolving central emotional arcs. This underscores his nuanced loyalty—prioritizing others’ needs while maintaining his irreverent charm. His interactions subtly expose an observant sensitivity, allowing him to navigate social dynamics with both humor and emotional acuity. His background remains unexplored beyond his interactions with Tsuneo in the 2020 anime film, with his narrative contributions centered on catalyzing the protagonist’s personal growth and pivotal relational moments.