Body-ko and Shintarou!.A nightmare of Tsutomu walking away with a very clingy and sentimental Mariko oblivious to her protests pollutes Mikako's computations as she departs with Tsutomu to the upcoming Akindo meeting after school at which time Mariko explains the necessity of returning to her parents in Yokohama and to hold the meeting somewhere else before rushing off. While Mikako fumes at Mariko's conduct, Yuusuke commiserates with Mariko as he reflects on the data of Mariko's past and family situation...