Mahou Senshi Louie

On the great continent of Alecrast exists Ophun, the Kingdom of Swords. Louie, an unorthodox magician with hulking muscles from the Magicians' Guild, spent his days surrounded by women, booze, and brawls. But on the night of celebrating his promotion to Sorcerer with his colleague, Ila, he comes across a scuffle between knight apprentices and three female adventurers: Merrill, Genie, and Melissa. Unable to resist the urge, Louie jumps into the fray…. (Translation from the website)