Mitsuki and Kazuki are an innocent couple who have not even kissed yet. However, one day, Kazuki reunites with DQN, who used to bully him. Mitsuki happens to witness Kazuki being threatened and extorted like before, and protests to DQN. A delinquent who has an eye on Mitsuki threatens Kazuki to send him a naked photo of Mitsuki, and uses it to break Mitsuki's trust in Kazuki. However, Mitsuki is completely unfazed, and the angry delinquent forces her to use an aphrodisiac...