The private school, Cross School that Ryoko attends, is a special school that has an art faculty. However, Ryoko does not have any interest in people from the art faculty! Unlucky for her, the well known Prince of the Art Faculty, Sei, stole her first kiss. Furthermore, Sei keeps clinging to her without a reason, causing her to get excited. But Sei is younger than her, has a huge ego, and is super perverted!