8th Loop for the Win! With Seven Lives’ Worth of XP and the Third Princess’s Appraisal Skill, My Behemoth and I Are Unstoppable! (Manga): Volume 3 by SkyFarm

Remille has made amazing strides compared to his past seven loops—he’s already a B rank adventurer, after all. But he’s not done yet! With a civil war brewing, it’s up to Remille to serve as the ace in the hole who turns the tide of battle. It might seem impossible, even with his newfound strength, but with a quartet of powerful monsters, Princess Ciel, and his trusty behemoth Catra by his side, the situation just might be saved. It’s time for Remille to prove why he’s the hero!