I Got reincarnated but my only ally is a little girl with cheat powers!? Isekai Tensei, Aibou wa Cheat Mochi no Youjo Nandesu kedo!?

También conocida como: My Otherworldly Reincarnation With a Overpowered Girl as My Companion, Updating, 異世界転生、相棒はチート持ちの幼女なんですけど！？ · Isekai Tensei, Aibou wa Cheat Mochi no Youjo Nandesu kedo!? · 異世界転生、相棒はチート持ちの幼女なんですけど！？ · My Otherworldly Reincarnation With a Overpowered Girl as My Companion · I Got Reincarnated but My Only Ally Is a Little Girl With Cheat Powers!? · 我的影子是萝莉 · 내 그림자는 꼬맹이 · เงาของฉันคือโลลิสุดแกร่ง

Kai, a tough-looking but kind-hearted young man, saves a girl from delinquents but gets caught in a car accident. When he wakes up, he finds himself in the mysterious “Shadow World,” a realm between life and death where people’s shadows take on powerful forms as Shadow Beasts. Learning he isn’t actually dead, Kai embarks on a journey with his shadow, a young girl, to find a way home. However, he soon becomes caught in the world’s power struggles, facing unexpected dangers along the way.