Description:

"I can't do this anymore!" Yuke Felido, a red mage, just left his adventurer A-Rank party. After being mistreated as a handyman and ridiculed for five years, he finally snapped! And so began his desolate, unemployed life...or so he thought! Through a stroke of luck, Yuke is welcomed into an all-female adventurer party comprised of his former students!! As they defeat dungeons one after another, Yuke's true strength is gradually revealed! As it turns out, this red mage wields extraordinary magic and skills...?! (Source: K-Manga)

Alternative Titles:

Aランクパーティを離脱した俺は、元教え子たちと迷宮深部を目指す。, After Leaving the A-Rank Party, I Aim for the Deep Part of the Labyrinth With My Former Students