Yuusha Party wo Tsuihou sareta Shiromadoushi, S-Rank Boukensha ni Hirowareru: Kono Shiromadoushi ga Kikakugai Sugiru

As a white mage, Lloyd is constantly looked down on by the hero party's arrogant leader, Allen, who eventually expels him on a whim. Despite being the former student of a legendary mage, Lloyd wanders the city helplessly for days, unable to find a new party in need of a supporting member. However, Lloyd's fate takes an unexpected turn when Yui, the leader of a S-rank group of adventurers, pleads …