"Even if you say you'll return it now..."

Saitou Yuuji, a third-year high school student. He had a girlfriend named Nishijima Saori whom he had been dating since middle school. The two were popular as a classmate-approved couple. Then one day, Yuuji discovers the betrayal of his classmate and friend Yamaguchi Takashi and Saori. "Why...Saori?" Yuuji despairs at this sudden betrayal. "Get it together!" "That's right, just forget about those guys!" With the encouragement of his friends, Yuuji finally recovers. Then comes a turning point for him. "I've always liked you." A confession from classmate Hayakawa Yuuko. Yuuji had thought he was done with romance, but eventually, touched by Yuuko's kindness, the two become lovers. "Congratulations!" Their classmates celebrate. But an evil hand closes in on Yuuji and the others. Yamaguchi Takashi and Nishijima Saori, completely ostracized from the class. The two scheme to get back together with Yuuji once again.