Working at the daycare center of a hospital, Haru lives a normal life, up until the day that she's reunited with Mizuki, her brother's old friend whom she'd admired since childhood. A good―looking, gentle doctor, Mizuki steals the hearts of all the women at the hospital, but for Haru, he'll always be her untouchable chilhood friend that's way out of her league. However, when she finds herself alone with him, Mizuki's sweet words lull her into taking an unexpected step. Little does she know, Mizuki has a secret! Is he really the "Mr. Perfect" she'd always seen him as? Was their reunion really a random coincidence? A hot and steamy love story about a blissfully unaware girl and a guy whose love might be... a little too much!!