更新日 2026-08-24

Mahou wa Isekai ni Oitekimashita

原作 Haruka Haono 作画 Haruka Haono

剣と魔法の異世界に幼くして転移した少女・未甘(みかん)。成長した彼女は大魔導士となり世界の危機を救うも、故郷の新潟へと再び転移してしまう! 魔法と異世界の仲間を失った未甘は、実家の部屋で引き籠もりに。10年のあいだ未甘の帰りを待ち続けた兄・樹(いつき)は、妹にこの世界の楽しさを伝えるため、あの手この手で外へ連れ出そうと頑張るが……!? Mikan, a young girl who was transported to a fantasy world of swords and magic at an early age, grows up to become a great mage and saves that world from destruction. However, she suddenly finds herself transported back to her hometown of Niigata! Having lost her magic and her friends from the other world, Mikan becomes a shut-in in her old room. Her older brother, Itsuki, who has waited ten years for her return, now does everything he can to show her the joys of this world and bring her back outside—but will it work!?