カオリは、タカシが魔隣組のリーダーとして恥ずかしくない成績が取れるよう、みんなで費用を出し合ってタカシに家庭教師をつけようと言い出す。腹立ちを隠せないタカシだったが、その夜、彼の寝室に突如、「紅葉の御方」と名乗る美女が現れた。紅葉は「女のジェラシー」について語ると、枕元から去って行く。彼女の目的は?
Kaori suggests that they all pool their money together to get Takashi a private tutor so that he can achieve grades that will not embarrass him as the leader of Marin Gumi. Takashi can't hide his annoyance, but that night, a beautiful woman who calls herself "Momiji no Mikata" suddenly appears in his bedroom. Momiji talks about "women's jealousy" and leaves the bedroom. What is her purpose?