A shy girl named Risa Kamizaki confesses to Junichi, which the latter accepts and agrees to become her boyfriend, but she wants to keep their relationship a secret. Junichi wants to go the Founder's Festival with Risa and wishes to introduce her to his friends, but, after some thinking, she refuses. Unknown to him, Risa's reasons for not wanting to come is because at the time when he was getting close with Haruka, Kaoru, Sae, Ai, Rihoko and Tsukasa, she was stalking him and prevented the girls from falling in love with him by showing them a doctored photo that Junichi already has a girlfriend. Later, while visiting the park where he was stood up two years ago, Junichi meets Makihara, the girl who stood him up. To his surprise, Makihara never stood him up because a classmate of hers told her that he was waiting for her at the cinema. On the day of the festival, Risa tells Junichi she wants to end their relationship as she reveals she was the one who lied to Makihara and was also responsible for his heartbreak. Not only that, she reveals that she also sabotaged his relationships with the other girls who were interested in him. Feeling guilty, Risa tells Junichi he deserves someone better than her, but he forgives since he feels better now that he knows the truth as he still loves her. Risa is glad that Junichi has forgiven her and later apologizes to the girls that she lied to before spending the festival with Junichi.
橘純一はある日、突然上崎裡沙という女の子から告白される。
しかし、その女の子のことについて、純一はまるで覚えていなかった。
とりあえず付き合い始めることになった二人だが、裡沙はある約束を純一にもちかける。
Una chica tímida llamada Risa Kamizaki le confiesa a Junichi, que luego acepta y accede a convertirse en su novio, pero ella quiere mantener su relación en secreto. Junichi quiere ir al Festival del Fundador con Risa y presentarle a sus amigos, y Risa piensa en ello. Desconocido para él, la falta de voluntad de Risa para venir se debe a que en el momento en que se estaba acercando a Haruka, Kaoru, Sae, Ai, Rihoko y Tsukasa, ella lo estaba acechando y evitó que las chicas se enamoraran de él mostrándoles un adulterio. foto de que Junichi ya tiene novia. Más tarde, mientras visitaba el parque donde estuvo parado hace dos años, Junichi conoce a Makihara, la chica que lo dejó plantado. Risa se alegra de que Junichi la haya perdonado y luego se disculpa con las chicas a las que les mintió antes de pasar el festival con Junichi.
Une jeune fille timide, Risa Kamizaki, se confesse à Junichi, qui accepte de devenir son petit ami, mais elle veut garder leur relation secrète. Junichi veut se rendre au Festival du Fondateur avec Risa et souhaite la présenter à ses amis, mais, après réflexion, elle refuse.