This is a love story that focuses on the love triangle between Haruka, Mizuki and Takayuki. Haruka confesses her feelings for Takayuki and he reciprocates. But Haruka falls into a coma after an unfortunate accident occurs while she is waiting for Takayuki. Takayuki is greatly saddened by this turn of events but eventually he moves on. While sharing their grief over Haruka, Takayuki and Haruka's best friend, Mizuki become close. They later fall in love and are happy together. Three years later, Haruka wakes up. Worried about hurting the fragile Haruka, Takayuki and Mizuki decide to lie to her about their relationship until she is strong enough to hear it.