The story of the four supreme rulers in heaven. After experiencing friendship, love, and betrayal, they reunited in the human world...
A cute girl, a gentle girl, and two prince-like cold boys were originally just ordinary campus stories, but it seems that there is a big secret behind the four people waiting to be discovered. The relationship that can't be sorted out, the feelings that arise again. There is an indescribable sense of familiarity between the two people, and there are strange fragments in their memories. The other two seemed to know all this, but they were hiding it...