Chu-Bra!!

Nayu Hayama starts middle school with an embarrassing mishap when her adult underwear accidentally shows on the first day. Rumors spread that she’s involved in "enjo kōsai" (compensated dating),leading classmates Yako Jingūji and Haruka Shiraishi to look into the truth. They discover Nayu is actually an "underwear monitor" who tests new designs and has a keen eye for picking the right undergarments. Wanting to help others navigate this important phase of life, Nayu decides to start an underwear club at school.