NOT HOLLOW

Asahi Hoshino's life was hollow until a the night a girl came and saved his life... Now Nerys vaelora is , daughter of a lord from another world is standing in his room telling him he is destined to defeat the Demon lord, But he has zero magic, zero training and she's staying with him until he reaches the "MASTER RANK" in magic. Between his family walking in at the worst moment , a mission assigned to him and demon lord constantly sending powerfull monsters to kill him... Asahi's boring life is now officially over... He wanted excitement but he didn't expect it to come with a roomate from another world ....