"Hehehe. I've heard the story! In short, it's about confessing on Valentine's Day..." Once again, the season of love is upon us. This year's Valentine's Day brings unique goals for each of the girls. Natsumi, a classmate, plans to confess to her junior. Yuuai wants to express her gratitude to Chisaki. And Marika aims to seduce Ayane. The three of them form the 'Valentine's Day Alliance' to achieve their respective goals, pouring their hearts into their chocolates as they prepare for the big day! "Could the other present be... me?" Marika's heartfelt seduction leaves Ayane...!? A super popular girls' love comedy that's sweeter and more exciting than chocolate!!