So-seo, a musician who played the bipa in a brothel, meets Gi Seol-won—the first person to ever recognize his talent.

So-seo opens his heart to his warmth, but when strange events begin to unfold and he discovers that Gi Seol-won is behind them, he tries to escape.

However, he was already ensnared in his tenacious grip; and as Gi Seol-won watched So-seo slowly crumble, he, too, was forced to confront the changes taking place within himself.

Original Novel:
RIDI

Original Webtoon:
R19, R15

*A Bipa is a traditional korean lute. So-seo plays the dang-bipa, which has 4 strings.