Go Hyun Tak/Gotak

Gotak is a tall, slender guy with brown hair and brown eyes. He is cheerful, friendly, and attentive. He used to always spend time with Juntae, but then Sungjae came into his life and became Gotak's best friend. He began to forget about Juntae and plays basketball.

Juntae is a short, fragile, thin guy, like porcelain, kind, smart, caring, sweet, introverted, shy, always took care of Gotak, waited for him after school, watched him play basketball and held a bottle of water for him, but he began to notice how Gotak began to spend more time with Sungjae and Juntae became very jealous and because of this, he began to distance himself from Gotak

Sung Jae, a tall guy with brown hair and eyes, wears glasses, smokes and drinks, is arrogant, aggressive, almost psychotic, and constantly hangs out in the computer club. He hated Juntae and wanted to take Gotak away from him, and he succeeded.