Tetsuo and Natsume look on with delight as Yuu prepares some home-made chocolate before deciding to playfully tease her as if she were a small child clumsy in the kitchen before Yuu derails them with the mention of the »ingredient of love« as she joins Posi and Nega on the roof; after the love spirit infuses her chocolate, Nega explains Yuu that the epilogue is a reflection of her efforts going forward. Galvanized by the data of home commute conclusion much to his social chagrin, Yuu races ahead to customize Toshio's room the next afternoon with Posi and Nega's help not realizing that Toshio has stopped to read the magazine on the way home. Yuu races out to greet Toshio whose preoccupation with what he thinks is a love letter from Creamy Mami ignites a divergent concourse that prompts her to repudiate Toshio in disgust and run away in tears; after commiserating with the anguished Mami Shinoda at the park, Yuu sets course for a church that is a crucial component of her prologue with Toshio who is at a loss for what he is doing wrong. Midori interjects himself as the ultimate deus ex machina for both Toshio and Yuu to see the light regarding their human fallibility at the site of Toshio's most altruistic intercession for her.
Per la festa di San Valentino, Yu prepara un dolce per Toshio per il quale non nasconde il proprio sentimento. Toshio, invaghito di Creamy, non si cura della piccola amica, fin quando non si rende conto che l'affetto nei suoi confronti va oltre ogni cosa.
バレンタインデーの日、優は俊夫にチョコを渡そうと張りきるが、俊夫はマミがチョコをくれるから公園へ行くと言い、二人は大喧嘩してしまう。公園に行った俊夫だが、現われたのは隣のクラスの篠田まみだった。一方、優はケンカの後、昔二人で遊んだ思い出の場所に来ていた…。
