During a full-body health checkup, I had an affair with my girlfriend's friend, a nurse. (VOL.4, Tsubaki Rika, DANDY-738)

My girlfriend's friend, Tsubaki Rika, works at a hospital, and I had to stay there for three days and two nights for a health check. During the checkup, I got very close to Tsubaki Rika! My erection was accidentally discovered, but she didn't seem to care. Instead, she was very interested in my penis, and we had sex in the hospital in the middle of the night…