I Left my A-Rank Party to Help My Former Students Reach the Dungeon Depths!

The red wizard Yuke Feldio recently departed his adventurer A-Rank group and shouted "I can no longer do this". He finally lost it after five years of being teased and humiliated as a handyman! And thus began his life of unemployment and desolation... or so he believed! Yuke is fortunate enough to be accepted into an all-female adventurer group made up of his former pupils! They eventually uncover Yuke's real strength as they conquer dungeon after dungeon! This crimson magician turns out to have remarkable abilities and powers!