The past and present unite as one when a boy with two memories confronts his destiny! Rio, who became an orphan after his mother's death when he was young, lived desperately in the slums. One day, he was reunited with his old childhood friend and discovered the memory of Haruto Amakawa and his mighty, magical power after Haruto died in a dream and was reincarnated in an alternate world filled with swords and magic. In order to help solve the case of the missing princess he stumbled across, Rio also decided to enroll in a prestigious academy where the children of aristocrats gather. Crawling up from the bottom of the social ladder, Rio shatters his harsh fate through a series of encounters and partings.