Build King(2020)

Build King

Tonkachi and Renge live on mysterious Hammer Island, a place where no human should be able to survive. The two are carpenters who build houses for the island's inhabitants, but what are their special powers? And what are their dreams? Construction soon begins on this megabuild of a battle fantasy story!

(Source: MANGA Plus)

Note: Includes the 5 epilogue chapters.