A Wife Who Has An Affair With Her Eldest Son's Soccer Coach For 8 Hours From The Time She Drops Her Child Off At Daycare Until She Picks Him Up... Hikari Aozora

Hikari, a mother of two, spends her days busy with housework and childcare. She's in a sexless marriage with her husband and finds herself attracted to the coach of the youth team her son belongs to... One day, she runs into the coach after he leaves the gym, and invites him over to thank him for his daily help with home-cooked food, but they end up in a sexual relationship. Before she knows it, she's been having sex for eight hours straight after arranging for extended daycare.