Everyone is worried about Kouki's susceptibility to bad influences. In Rin's case, that means Akari.; Told in flashback, Kouki begins seeing an older student and his anti-social behavior begins to increase. Rin is worried, but can't be sure if it's because of his behavior or because he's seeing another woman.; Still in flashback; When Kouki tries to break things off with Akari, she threatens him. Later Rin begins getting harassing e-mails.; When Kouki notices that a fellow student is interested in Rin, he goes out of his way to try to make amends for past transgressions.; Akari drops the bombshell that she's pregnant on Kouki and demands he provide money to terminate it.; Rin and Daikichi cope with broken hearts in different ways.