I Was Pissed Off Because He Seemed To Be Enjoying Himself So Much, So I Made Him Do Whatever I Wanted To Him And Made Him Understand Why I Did It.

The relationship between two people who were ordinary senior and junior in the same club distorts, leading to a decisive incident. Senior Mari is suddenly dumped by the boyfriend she started dating in college. Learning that the reason was Mai... One day, using her privilege as the granddaughter of the board chairman, Mari summons Mai to the empty school grounds. Then she schemes to trap Mai using men...