Level One Demon Lord and One-Room Hero - MangaDex

A manga about the newly resurrected demon lord who wants a rematch against the legendary hero but finds him in a sorry state and living out of a one room apartment.

Lv1 Maou to One Room Yuusha • Level 1 Demon Lord and One Room Hero - Episode 1 discussion : r/anime

Henkyou Gurashi no Maou, Tensei shite Saikyou no Majutsushi ni naru - MangaDex

List of Reincarnation/Otherworldly Manga~!

Manga Like So What's Wrong with Getting Reborn as a Goblin?

LV1 devil and the one-room hero manga - Mangago

Art] How to violate T&C (Lv1 Maou to One Room Yuusha) : r/manga

Level One Demon Lord and One-Room Hero - MangaDex

Ramia-Yana: Hero and Demon Lord Chronicles (Webcomic) - TV Tropes

List of Reincarnation/Otherworldly Manga~!

Thunderbolt Fantasy: Tōriken Yūki 3 (puppet TV) - Anime News Network

I'm the Hero, But the Demon Lord's Also Me - MangaDex