I Was Reincarnated with OP Invincibility, so I'll Beat 'em Up My Way as an Action-Adventurer

After his untimely death, Haruto was reincarnated by the Goddess with a skill that makes it so he will never take damage. With a god-tier skill like that, what other choice does he have than to start his career as an unstoppable, untouchable adventurer? And with two gorgeous twin beauties at his side, how can he lose? *Source: Kodansha USA, Vol. 1*