Necessity of Relationship

The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
Do-yoon, who dreams of living together with his childhood friend Lee Hwan, whom he has a crush on.
But his mistake caused Lee Hwan’s body to The soul of idol lon has taken hold!
They say that a switched soul can only return after filling up its yang energy.