Mikan had her nephew, a ronin student, Jun, live in the house where she lives with her husband, but she didn't study and was devoted to AV every day.Because of her pure existence, her marital life has drastically decreased and her frustration is accumulating.On top of that, from her pure room, the smell of a man peculiar to young people and the pant voice of an AV actress ….Mikan finally tries to destroy her pure AV collection.She wants to protect AV at all costs.This AV appreciation party will call the situation in an unexpected direction.