[Shocking documentary!] Naho and Tsubaki, who live in the same tower apartment, are mommy friends. However, Tsubaki is growing increasingly jealous of Naho. Naho is beautiful, independent, and popular, while Tsubaki is tired of living a life of hardship. Having reached her limit with the daily accumulation of such feelings, Tsubaki comes up with a plan to overturn the mommy friend caste system and sets a trap for Naho.