My friend's girlfriend is so gentle with me that she mistakenly thinks she likes me and begs me for help with her sexual desire. (Morishita Kotono HBAD-659)

The trio of best friends—Kotono, Takeshi, and Ayumu—are inseparable. Although Kotono and Takeshi are dating, Kotono's gentle and considerate treatment of Ayumu, coupled with Ayumu's weakness for women, leads him to mistakenly believe he's in love with her and act very friendly towards her. Even knowing she's his best friend's girlfriend, he still lurks in a corner waiting for Kotono to return so he can barge into her room and forcefully confess his feelings…