Sora fell from the roof of his high school and was knocked unconscious. When he finally awoke, he found a kindhearted boy named Sunao waiting over him. Sunao claims to be his best friend, but the fall erased some of Sora's memory. He begins to search for the secret of his lost memory, but will Sunao be his companion, or his enemy?
Kanji Yakutani, a pharmacological researcher in modern-day Japan has been reincarnated as Falma de Médicis, the son of a royal doctor from the distinguished de Médicis family.