Legend of the Last Labyrinth - S01

Yusuke, an orphan, suddenly finds himself with an unexpected guest when Rouge, the eldest daughter of the Underworld's fallen royal family, drops from the sky into his life. She has lost her memory, and soon her two younger sisters join her-along with the enemies hunting their family. As Rouge struggles with whether to reclaim her past, Yusuke must cope with the chaos the princesses have brought to his quiet existence.