It feeds others toxic mochi that draw out desires and capabilities. Those who eat the mochi fall under Pecharunt’s control, chained to its will.

Its peach-shaped shell serves as storage for a potent poison. It makes poisonous mochi and serves them to people and Pokémon.

Before the official reveal of Pecharunt, it appeared with its shell closed in Ogerpon's story told by Yukito in Pokémon Scarlet and Violet: The Teal Mask. What appears to be a Pecharunt doll can be also see at Peachy's in Mossu