Ichikawa si rompe il braccio all'inizio del terzo semestre. Il suo insegnante chiede aiuto a Yamada, ma Ichikawa rifiuta perché non sono amici e chiede invece aiuto al loro compagno di classe Adachi.
Valentine's Day is a week away, and Kyotaru finds himself roped into making chocolates with Anna and her friends. But complications arise when Moeko claims Kyotaru as her bae.
Nonostante tutto il tempo che Kyotaru ha passato con Anna, scopre che c'è molto altro che non sa di lei. Ancora più importante, si rende conto che vuole cambiarlo.
Il non invidiabile dovere di pronunciare il discorso di laurea in classe spetta al rappresentante degli studenti Kyotaru. Con l'incoraggiamento della compagna di classe Anna, cerca di superare i nervi.
Kana embarrasses Kyotaro with his send-off speech recording. Jealous, he follows Yamada to a karaoke session, leading to a heartfelt conversation. The next day, Kyotaro gives Yamada a bracelet during a double date, making her overjoyed.
Kyotaro and Yamada start their third year of middle school, drawing glares as they hold hands. Chi is relieved to be in Yamada's class. After Yamada gifts Kyotaro a wallet chain, an embarrassing moment occurs.
With nineteen days until the sports festival, Kyotaro's class prepares. Adachi challenges Kyotaro, sensing his bond with Yamada. On the festival day, Adachi wins, but both end up in the nurse's office. Yamada comforts and praises Kyotaro.
Due to summer weather, Yamada switches uniforms and Kyotaro embarrasses them. On a school trip, Kyotaro keeps his distance to confess to Yamada, regretting it when he learns she skipped a major audition.
Trapped in the girls' room, Kyotaro overhears their conversations about guys. Later, at the torii gates, he confesses his feelings to Yamada, who later confesses her love at the library, kissing him on the cheek.
