Saki Hiragi married a rather childish husband, he only worried about working and playing games, not caring about marital sex, making Saki often have to masturbate, falling into a state of deprivation. Saki was so sad that she went to her best friend's house to play to relieve herself, unexpectedly after sleeping one night Saki found out that her friend's husband had to masturbate just because her best friend was exactly like her husband who didn't want sex, and Saki was also found peeping by her friend's husband.
Like fate, Saki decided to find a reason to go to her friend's house to have a "dip" with her husband...