The actress nominated by Yua Nanami as a retired lesbian who never "have sex only with her favorite person" is Ai Hoshina, who is currently closed. Sena is confused by Nanami who drinks the body fluids of her favorite person and thinks that the pain given by that person is an expression of affection. The two who talk about their background as AV actresses nakedly try to get closer to each other by drinking urine, slap, and strangling, but the shooting is interrupted ... Still trying to face each other, the best friend gives to his best friend "To be happy" 10 Promises ".