The graduation party for Mitsuki and Rina gets underway, with everyone giving them presents. During the party, as Yuu gets into an argument with Mitsuki over her kissing relationship with Haruka, Mitsuki, upon hearing that their kissing is part of a 'special friendship', confesses her love to Haruka. Following the graduation ceremony, Haruka is called about Mitsuki, who discovers Haruka knows nothing about love or dating and misinterpreted Mitsuki's confession. Haruka ends up rejecting Mitsuki, who leaves her with just a kiss on the forehead. Yuu, who had been watching them, bring Haruka to the old classroom, where they kiss whilst telling each other they love each other. With their feelings stronger than ever, Haruka and Yuu begin their second year of school.
受験を終えた美月と理奈のために、春香たちは園田家で送別会を開くことに。それぞれがプレゼントや手紙、料理などで美月たちをお祝いする。そんな中ちょうど春香と優が二人で料理をしているところに美月が現れ、二人のキスについて言及。すると優と美月はそのことについて言い合いを始めてしまう。しかし言い合いの中、美月の口から出てきたのは思わぬ一言だった。
そしていよいよ三年生は卒業式を迎える…。
졸업식을 하루 앞두고 열린 미츠키와 리나의 졸업 파티. 그리고 그 졸업파티는 하루카를 마음에 둔 미츠키가 큰 결심을 하는 계기가 되는데...
La fiesta de graduación de Mitsuki y Rina comienza, y todos les dan regalos. Durante la fiesta, Yuu discute con Mitsuki sobre su relación de besos con Haruka, Mitsuki, al escuchar que sus besos son parte de una "amistad especial", le confiesa su amor a Haruka. Después de la ceremonia de graduación, llaman a Haruka para hablar sobre Mitsuki, quien descubre que Haruka no sabe nada sobre el amor o las citas y malinterpretó la confesión de Mitsuki. Haruka termina rechazando a Mitsuki, quien la deja con solo un beso en la frente.
