Mikuru-chan, 23 years old, is a lobby girl of an izakaya. A very ordinary girl who looks a bit plain. He has a shy personality that makes his heart beat fast just by being touched by a customer. Such a girlfriend never appears in AV! ! "I want you to tell me what you don't know. I want to do things that can only be done with AV..." Mutsurisukebe's plain child falls into AV and goes crazy with desire! !