Magical Buffs: The Support Caster is Stronger Than He Realized! (Manga) Vol. 2

After an impressive tryout, Wim Strauss is Nachtlibelle's newest interim member. Shortly thereafter, an investigator from the Abenteurers' Guild arrives to question how a lowly granting sorcerer could have soloed a boss monster. As Nachtlibelle prepares for its deepest and most dangerous labyrinth dive yet, its leader sets out to uncover the mystery of Wim's incredible powers.