I'm a Gokudou, but After Teleporting to the Another World, I Became a Savior.

Yakuza Ryuto Aigo gets caught up in the blast of a rocket launcher during a conflict and is transported to another world, where he saved an elf's daughter from a goblin by chance and was treated as a hero. Various monsters like orcs, harpies, slimes, and dragons are ruling over the territory, looking very much like a yakuza power struggle. No choice but to take the top here, too!