Haruto is the heir to the wealthiest household in the world, but he’s still only a student spending happy-go-lucky days at Amagi Gakuen. Then one day, he fell in love with his classmate Hisa. He sought advice from his classmate and secretly maid Emi, who began to investigate Hisa to know her nature better. Then, Emi heard an awful moan and found her respected master passed out on the ground in a strange position. Next to him was a crying frightened Hisa. Emi was completely dumbfounded at the turn of events. Will Haruto's first love come true? Or rather, will they be able to salvage their past relationship?