Isekai Tensei: Recruited to Another World, Vol. 6 (manga)

The reincarnated adventurer Tenma's "slow life" continues in Sagan, where he's tamed a baby dragon that draws plenty of attention. But that's not his only dungeon discovery. He quickly comes across two slave girls whose master was killed by a giant snake

Volume 6 of the Isekai Tensei: Recruited to Another World manga series by Andria McKnight.