A girl with high interest in love and sex finds herself watching her childhood friend's AV together! Excitement doesn't seem to subside despite being their first time seeing such an adult video. Two close friends since they were young; she never considered him romantically until now. Despite knowing that what they are about to do is wrong, they decide to secretly learn about sex under the guise of studying together - promising each other that tomorrow they can go back to being just friends like always. They capture every intimate moment on camera without hesitation.
