Legend of the Last Labyrinth

Yusuke, a lonely orphan, suddenly finds himself with an unexpected visitor when Rouge, the eldest daughter of the fallen Underworld royal family, drops from the sky into his life-with no memory of who she is. Soon after, her two younger sisters arrive, along with the enemies hunting them down. As Rouge struggles with the choice of whether to reclaim her past, Yusuke must navigate the chaos the princesses have brought to his once-quiet existence.