"If he can't be mine, I'd rather kill him." Hestia, who killed his beloved brother Ian with her own hands, died. But three months later, Ian reappears in front of Hestia. When he came back, he lost all his memories and changed as if he were a different person. Everyone at the public works welcomes him with open arms, but Hestia, who loved him, constantly doubts him. Really, has he really changed?