Kimetsu no Yaiba
Tanjiro is a demon slayer along with his sister Nezko even though she is a demon...
Someday Will I Be The Greatest Alchemist?
Takumi Iruma, by accident was sent to another world, but the goddess intercepted and had him enter at age 17 a year before the three purposefully summoned were sent to the world...the goddess equipped him with blessings and skills he had to master in a year...of all the skills he happily mastered alchemy although he greatly improved and attained other skills and comrades to help...go thing because an evil goddess would be born after a year and her servants, two of the three summoned, would become Takumi's greatest challenge...
Machigai Shoukan! Oidasareta kedo Joui Gokan Skill de Rakuraku Seikatsu
In the midst of doing good, Ren was isekai'd to another world...his skills seemed obsolete and non-existent so he was banished with the clothes on his back and an item box...soon he learned he had a hidden skill; King of work(smithing, metal forging, creativity, gathering, harvesting, etc)...but his kindness and caring was his greatest skill...
Becoming A Legendary Ace Employee