Peter Grill and the Philosopher's Time Vol. 2 (manga)
OH, NO! THEY'VE GOT HIM AGAIN!
After attaining the title of Strongest Man on Earth, Peter Grill wants nothing more than to settle down with his bride-to-be. But the monster women in his kingdom have other ideas: they have designs on his seed! Seductions by ogre sisters, a lustful elf, and a cute, voluptuous orc who wants to steal him away from his beloved for yet another tryst--how can Peter ever stay faithful?!