Impact Document! Naho Ozawa and Tsubaki, who live in the same tower, were mom friends. However, Tsubaki was growing jealous of Naho. Naho was beautiful, independent, and popular, while Tsubaki was tired of a barely surviving life. Due to the accumulation of such days, Tsubaki, who had reached her limit, devised a plan to turn the mom friend caste upside down and trap Naho...