Chika is frustrated by a sexless relationship with her fiancé. When she secretly confides in the friend designing their new home, he claims a blowjob would not count as cheating and suddenly makes his move. Chika obeys and begins licking his rock-hard cock, only for the supposed friend to get carried away and ejaculate into her mouth. When he visits again, their affair goes much further. With her sleeping fiancé nearby, the friend devours Chika’s body and finally penetrates her bareback. They suppress their voices while fucking in multiple positions, and by the end Chika even lets him finish with a creampie.