Like Takeya, even Ren doesn't know that much about the DearS. This fact alone is enough of an insult to the DearS heritage to push Miu over the edge. Miu decides to take it upon herself to properly educate Ren in all that it means to be a DearS; much to Takeya's dismay. Then Takeya's world-travelling sister, Natsuki, stops by for a visit putting her wrestling moves on her older brother. How much physical pain can Takeya endure?