Gilbert is a troubled, rebellious teen and the orphanage roommate of the protagonist Leon Sent back from multiple foster homes due to his bad behavior, Gilbert hides a deeply pained and complex background behind a prickly, defensive exterior. Becomes roomies with Leon on Leon's first day at the orphanage after Leon loses his grandmother.Constantly clashes with Leon, especially because Leon tries to hide his orphanage background from his school peers.Slowly forms an intense, emotionally evolving bond with Leon that shifts from reluctant roommates to mutual, deeper attraction. Rebellious and abrasive on the surface, often labeled a troublemaker.Deeply protective and caring toward younger kids at the orphanage (especially Mio).Carries severe emotional scars and trauma from abusive or neglectful environments.Keeps a secret, complicated relationship with Elias while at school.

He is a well-meaning but emotionally vulnerable teenager who is forced to completely rebuild his life after facing a devastating tragedy. Desperate to fit in: Deeply insecure about his new living situation, Leon goes to great lengths to appear "normal" to his school peers.People-pleasing tendencies: He initially prioritizes the opinions of others and guards his fragile new friendships fiercely.Empathetic and insightful: Despite his own anxieties, he possesses a strong moral compass and is capable of offering genuine wisdom and comfort when others are vulnerable.Confused sexuality: Originally only interested in girls, his developing feelings for his roommate spark a classic "ambiguously bi" coming-of-age realization. Grief and Adjustment: Following the painful loss of his grandmother—with whom he was exceptionally close—Leon is placed in an orphanage and enrolled in a new school.The Big Lie: To avoid being judged or ostracized, Leon engages in "acquaintance denial" at school, hiding the fact that he lives in an orphanage from his classmates.Clashing with Gilbert: He is paired up as roommates with the orphanage's notorious troublemaker, Gilbert. Gilbert’s blunt, rebellious attitude heavily disrupts Leon’s desire to maintain a perfect, low-profile facade.The Crucial Choice: Leon’s arc centers on an emotional crossroads when he discovers a dangerous secret about Gilbert. He must choose between maintaining his safe, fake high school life or risking his social standing to save a roommate who claims he doesn't want help.