Customize
There are 2 menus within Customize.

Equipment: You can equip weapons, armor, and gems. You can equip up to 3 gems.
Costume: You can change hair, costumes, and accessories. You can equip up to 5 different accessories.

Accessory
You can adjust accessories in detail within Edit Settings, such as size, position, and rotation.

Move Mode: You can adjust accessories while moving it in any desired direction.
Number Input: You can finely adjust an accessory's position, size, and direction by inputting numbers.
Attach Setting: You can set the attachment destination for the accessory. You can attach it to various spots, such as the head or arms.
Accessory Options: You can add movement to accessories, increasing the possibilities.
Restore to Default: Restores the accessory's setting to its initial state.