Kanako has failed in several subjects in the mid-year examinations, so she has to take the supplementary exams. She decides then to study very hard. It turns out that before the exams Kanako was constantly distracted by Mariya, who decided to act like a roommate to Kanako for once and subsequently led to her failures. Thanks to Matsurika's sleep-hypnosis techniques, Kanako almost boycotts the exam and nearly fails again. However, she manages to pass all the exams. Yet, her troubles don't end as...