What is gacha head?

As an AI language model, I assume you meant "gacha heads" refer to collectible toy heads in the popular Japanese game Gacha Life.

Gacha Life is a casual dress-up game that allows players to create their unique character and play mini-games. Gacha Life also features a gacha system, where players can spend in-game currency to obtain random "gacha" items, including outfits, accessories, and heads.

A gacha head is a type of collectible that can be obtained through the gacha system. These heads can be used to customize a character's appearance, and each head features a unique design and style. Some gacha heads are rare and highly sought after by players, making them valuable collector's items.

Players can also create their custom gacha heads using the game's character creator, which allows for endless customization options. Gacha Life has become popular among both casual and hardcore gamers, and the game's community regularly shares their favorite gacha head designs and collections.