My Boyfriend's Tiny Cock Can't Satisfy Me, So...

High school student Ren Nakano's first sexual experience with her boyfriend left her feeling unsatisfied. One day, she ran into Tsukishima, a senior from her high school who had already graduated.

As they caught up, the topic of her first sexual encounter came up. Upon hearing about it, Tsukishima said, "Maybe I can help," and led Ren to a hotel. There, Ren was shocked to discover that Tsukishima was a futanari. However, she couldn't hide her interest in Tsukishima's futanari cock, which was larger and longer than her boyfriend's. She was easily persuaded and had the true pleasure of sex imprinted onto her body.

Ren's body became unable to find satisfaction with anyone but her senior. While her boyfriend was away on an overnight job, she invited Tsukishima over. However, her boyfriend's shift ended earlier than expected, and he returned home to find them in the act...

(Source: DLsite, translated)