Shōsuke Komi, younger brother of Shouko Komi, possesses a stoic, apathetic demeanor. Though cheerful and socially proactive as a child, his resolve to forge personal connections fractured at six after a heated swimming race with close friend Mizuhara Hayato. By thirteen, he deliberately adopted a reserved demeanor to mirror his sister’s communication difficulties, intending to mitigate her isolation. This self-imposed restraint solidified his preference for solitude, though he remains capable of articulate interaction when compelled. Slender and standing 173 cm tall, his disheveled dark purple hair and matching eyes complement a wardrobe dominated by monochromatic tones, contributing to a gothic aesthetic that underscores his detached presence. Despite avoiding social engagement, his striking appearance draws fervent admiration, particularly from female peers. Shōsuke demonstrates remarkable dexterity in model repair, violin crafting, and engraving Buddhist prayers onto rice grains, alongside competitive swimming prowess. These solitary pursuits define his routine, though outsiders like the tenacious Hitomi Tadano occasionally disrupt his seclusion with uninvited social overtures. His relationship with Shouko anchors his identity. By replicating her reticence, he sought shared understanding to ease her loneliness, yet his rejection of communication stems from viewing it as superfluous rather than an obstacle to conquer. This distinction positions him as a narrative counterpoint to his sister, highlighting divergent responses to familial and social dynamics. Documented portrayals consistently emphasize his emotional detachment and avoidance of interpersonal bonds, with no substantive evolution beyond his established origins and traits.