⚠️Oh my sunshine night ⚠️ what's gonna happen next? I hope this is not what I think. 😪😪

The world of Khim changes after he meets Sun, who just transferred to the university. Sun is an optimistic person that loves playing the guitar but was born with heart disease. A good relationship forms between Khim and Sun in the classical music club, but misunderstandings, rivalries, and family problems await them in the near future. What destiny will they face?