Reborn as a Vending Machine, I Now Wander the Dungeon, Vol. 2 (manga) — Hirukuma

A human has reincarnated into an alternate fantasy world as Boxxo the vending machine! His ability to offer any item he purchased in his previous life has made him wildly popular in a place where such convenience was once unheard of. But just when Boxxo and his partner—the deceptively strong Lammis—get invited to join a famous party, a new threat emerges! COLOSSAL TROUBLE HAS COME ROLLING IN!!