Hi

Vino, an adventurer, has lived his life being insulted by his comrades in the A-rank party he belongs to, labeled as the weakest, the most useless, and relegated to menial tasks. His bottom-tier Job "Item User" only involves mixing and distributing potions. Considered worthless in battle, he was ridiculed and eventually used as bait for an S-rank monster.
But thi event became the catalyst that revealed a hidden talent neither he nor the party had noticed. Meanwhile, the A-rank party that cast him out soon found they couldn’t maintain their previous success without the benefits of his potions…