Age regression story between mafia wives and a little called Lila.

Hirai Momo daughter of Park Jin Young who owns the JYP University. Momo is a Nerd but no one touches her because of her Best friend Son Chaeyoung, No one knew about Momo being the Daughter of the School's owner. Momo had a Huge crush on school's bully Minatozaki Sana along with her Best friends Myoui Mina (Chaeyoung's girlfriend) Tzuyu and Jeongyeon. Momo keeps sending signals to Sana but Sana just shrugged her off.