Honoka has a crush on Daisuke and they start dating. Although she has a wealth of useless knowledge, she has never had sex before and spends her days studying by mindlessly watching adult videos... She invites Daisuke over to her house and the atmosphere becomes sweet, but she doesn't want him to think she's a virgin, so she ends up giving him an intense, deep kiss, imitating what she saw in an adult video...!?