Anime: Yuusha Party o Tsuihou Sareta Shiro Madoushi, S Rank Boukensha ni Hirowareru: Kono Shiro Madoushi ga Kikakugai Sugiru 2p3s3v

One day, Lloyd, a white mage, is banished from the hero's party. Lloyd, who has lost his job, happens to accompany an S-rank party on a quest by chance. At that time, no one knew that the hero’s party would collapse and Lloyd would gain fame - yet. This is the story of an extraordinary magic- who thinks he is normal, becomes an adventurer, while he is unaware of how he eventually becomes peerless.

Source: M-U