Survival in Another World with My Mistress! (Light Novel) Vol. 5 (novel)

Crafty survivor Kousuke is busy getting busy with his brand-spanking new sweetheart, the grand dragon known as Grande, while also finding the time to take a week-long date with his number-one lady love, Sylphy! But it's high time he got back to searching for those sacred scriptures. Sweet cyclops Ira has a proposition: an assemblage of adventurers will accompany Kousuke into the dangerous ruins where the scriptures may lie. But who is this familiar face who's arrived to take command...?