Tomoya Mikami's life changed one day when his girlfriend Ayaka was hit by a car and killed on her way to meet Tomoya. He blamed himself for her death and never was the same after the accident. He began acting callously towards Yue and his other friends. Furthermore, every time Tomoya gets involved with a new girl, he sees images of Ayaka in his dreams. He decides he needs to find a way to say goodbye to his lost love once and for all, while dealing with several side romances at the same time.
在游戏中心打工的青年草壁莲司,偶然目睹了一幕:情人节当天,一位英国少女莉莉独自一人沉迷于抓娃娃机。无论尝试多少次,她始终无法抓到奖品,眼看着要落泪的她,让莲司忍不住伸出援手。在成功抓到娃娃后,莉莉几天后送给莲司一张意想不到的信息卡——“Be My Valentine!”(请做我的恋人!)这是与一位可爱而天真烂漫的英国少女的邂逅,一个因误会而起的异文化交流故事,就此在游戏中心展开!