Honda Kenzou, a 25-year-old salaryman, first appears as a guest at Saitou Toshihisa’s wedding, crossing paths with Nagai Atsushi, the groom’s best friend. Their initial meeting at a post-ceremony bar sparks a charged, alcohol-laced interaction that lays the groundwork for their complex rapport. With a mischievously provocative demeanor, Honda needles Nagai’s composed facade, coaxing him to grapple with buried insecurities and desires.

His past includes a former romantic involvement with a woman named Remi and two older brothers, though specifics about his family or profession remain undefined. Following the collapse of Saitou’s marriage—triggered by the bride’s abrupt elopement—Honda emerges as an anchoring force for Nagai amid the turmoil. What begins as a casual entanglement deepens into genuine affection, culminating in a committed relationship and eventual cohabitation, marking Honda’s transition from fleeting distraction to emotional cornerstone.

As Nagai wrestles with unresolved loyalty to Saitou—who later confesses reciprocal feelings—Honda navigates these tensions with adaptable patience. He maintains a steadfast presence, tempering his own burgeoning attachment with empathy for Nagai’s conflicted heart. Honda’s arc traces his gradual embrace of vulnerability and tenacity, choosing to nurture their bond despite competing affections and external strife.

Across manga and OVA adaptations, his evolution unfolds through shifting dynamics with Nagai, charting a path from transient confidant to enduring partner. Through measured decisions and quiet devotion, Honda prioritizes pragmatic partnership over grand gestures, fostering mutual resilience in the face of imperfect realities.