BL Metamorphosis

A 17-year-old schoolgirl and a 75-year-old woman. They are connected by "boys' love" (BL).

Urara Sayama, a 17-year-old high school student, enjoys reading boy's love manga and works part-time as a cashier. She meets 78-year-old Yuki Ichinoi, who buys a BL manga and becomes a fan. They form a friendship and take on challenges.