Isekaigaeri no Yuusha wa, Dungeon ga Shutsugen shita Genjitsu Sekai de, Influencer ni Natte Kane wo Kasegimasu!

異世界帰りの勇者は、ダンジョンが出現した現実世界で、インフルエンサーになって金を稼ぎます！ • • Publishing

Synopsis

One day, an ordinary high school student is transferred to another world. He raises his level in the other world, successfully defeats the Demon King, and saves the world! With his strongest status, he decided to return to his own world. However, in the world to which he returns, a new "dungeon" has appeared. A modern dungeon fantasy where the former hero becomes a warrior, delving into dungeons created in his own world! (Source: Kadokawa, translated)

Recommendations

Isekaigaeri no Yuusha ga Gendai Saikyou!