TSUIHOUSARETA GUILD SHOKUIN WA, SEKAI SAIKYOU NO SHOUKANSHI@COMIC

Despite being the top student at Adventurer Academy, Alto Reis chose to work as an employee of the Adventurer's Guild rather than as an adventurer due to certain family circumstances. However, after being expelled from the guild for unreasonable reasons, he and his old friends embark on a shocking life-changing story...!? (Source: Mag Comi, translated) — Description from AniList community (anilist.co).