Yūsuke Megane, a close friend of protagonist Mikio Osawa, is instantly recognizable by his glasses—a defining trait that earns him the moniker "Glasses-kun." As a classmate of Mikio and Haruko Tezuka, he becomes instrumental in the narrative by revealing Haruko’s imminent relocation to Mikio. This disclosure forces Mikio to urgently confront his unresolved emotions, sparking the story’s central conflict. His presence, though narrowly focused on catalyzing this pivotal moment, remains essential to the plot’s progression. Details about his personal history, motivations, or broader interactions outside this role remain undisclosed, with no documented expansions of his character in other media or storylines.