Summary
Kang Si-hwa, a charismatic and sociable individual, was always the life of the crowd. Lee Eun-seo, his childhood friend, felt a mix of envy and possessiveness toward those close to him. After Si-hwa vanished without warning, he returns years later, leaving Eun-seo emotionally unsettled. His behavior remains erratic and hard to read. Though they share a unique bond, Eun-seo is left questioning the true nature of their connection. What exactly are they to each other?