He's The Sweet Melody ⇒ Ｊｅｏｎ Ｊｕｎｇｋｏｏｋ

Jungkook, a troubled young male plagued by his troubled past, decides to run away from it all and start anew in a new city. As he becomes entangled in a whirlwind of reality and fantasy, Jungkook struggles to face his own imperfections. Along the way, he meets a mysterious woman named Xynovi, who seems to hold the key to unlocking the secrets of his past and present.

As he embarks on a journey of self-discovery and love, Jungkook must confront his own faults and learn to embrace his true self.

Jungkook is haunted by the ghosts of his past. Consumed by guilt and regret, he decides to leave everything behind and start fresh in a new city, hoping to leave his past behind. However, the line between reality and fantasy begins to blur as he is constantly reminded of his past through dreams, hallucinations, and chance encounters.

As the line between reality and fantasy continues to blur, Jungkook must confront his own demons and decide whether to face his past or continue to ignore it.