The Utsusemi! Gumchi is one of the Gum Utsusemi options that you can find and apply to your Ninjala character via the equipment menu.
When equipped, you can use Utsusemi! Gumchi in battle by pressing down on the d-pad.
Utsusemi! Gumchi Official Description
“Transform yourself into the extraterrestrial lifeform Gumchi. For those who are tired of life as an Earthling.”
Utsusemi! Gumchi Appearance
Having the Utsusemi! Gumchi form as your Gum Utsusemi selection will see you transform into a figurine of the Ninjala mascot Gumchi.
Gumchi has a yellow body, a black shuriken pattern on its front, and a weapon strapped to its back. Your Utsusemi! Gumchi form also features a red stand.