Narutoshi Okita arrives at his new school cloaked in rumors of delinquency and an enigmatic aura, his transfer from Osaka shadowed by expulsion from a violent incident. Despite his aloof exterior, he gravitates into the protagonist’s tight friend circle, joining study sessions and casual hangouts at her home. His guarded demeanor and reluctance to voice emotions shroud his motivations in secrecy, fostering speculation among peers.

Beneath his detached facade, Okita’s steadfast loyalty and protective instincts surface. He privately confronts the protagonist’s neglectful father, demanding accountability—a moment exposing his growing investment in her well-being. Though he admits to harboring an unspoken attachment when pressed, he masks its depth, fearing disruptions to the group’s fragile equilibrium.

Expanded materials delve into his fractured family history and childhood alienation, contextualizing his emotional guardedness and incremental vulnerability as friendships deepen. During a pivotal mountain retreat, he resolves to confess his feelings—a intention cut short when he tragically perishes mid-trip. His death leaves the protagonist grappling with unresolved grief, her reflections underscoring his silent influence on her life.

Okita’s impact ripples beyond the core circle. He discreetly supports Hatsune after her assault, urging her toward legal recourse despite societal backlash. His absence reshapes group dynamics, most notably in the protagonist’s evolving bond with Hajime, who treads carefully around her mourning.

A posthumous spin-off revisits Okita’s internal struggles and fractured family ties, framing his arc through themes of muted longing, redemption through connection, and the lingering echoes of loss on those who survive him.