异世界一击无双姐姐 ～姐同伴异世界生活开启～

Asahi loves the idea of magical fantasy worlds. And somehow, he’s transported to one! He’s eager to explore and use his new abilities, except he learns he doesn’t have any. But his older sister Maya is in this world too, and she ends up having the strongest cheat skills imaginable! Now, Asahi starts...