2 results
The Revenge of the Soul Eater
Hangyaku no Soul Eater: Tamashii no Hoshokusha to Shoujotachi· 反逆のソウルイーター -魂の捕食者と少女たち-
manga

"We have no use for weaklings here!" "I will become a strong swordsman," but contrary to his childhood wish, Sora was banished from the Goken family, masters of the Genso Itto style of swordsmanship. Branded as useless and having lost everything, he becomes a “soul-eating dragon” and vows revenge! (Source: Comic Earth Star, translated)

I'm a Gokudou, but After Teleporting to the Another World, I Became a Savior.
Isekai Yakuza: Gokudou desu ga Teni shitara Kyuuseishu ni Narimashita· 異世界ヤクザ~極道ですが転移したら救世主になりました~
manga

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!