From the author's README on Thunderstore

Satoru Gojo (Jujutsu Kaisen)

Satoru Gojo as a full costume for skate.

Install

Install it from the Mods tab in the ReSkate launcher, then find Gojo under Apparel in game.

Changelog

1.1.2

Updated description and icon photo

1.1.1

The collar no longer pulls into sharp points when he turns his head; smoother collar shading.

1.1.0

No more see-through gap at the neck when he looks down; the neck no longer clips through the jacket.

1.0.0

First release.

Credits

Model: "freefire new gojo coal model" by KAKASHI (https://sketchfab.com/amansoyal781), CC-BY-4.0.

Install Satoru Gojo

You need ReSkate and your own copy of skate. on Steam.

Open ReSkateLauncher.exe and go to MODS.
Search for Satoru Gojo and click install. The launcher also installs anything it depends on.
Press PLAY. In game, the MODS tab of the ReSkate menu (Insert) turns it on and off.

Or install it by hand: download the .zip and drop it on the launcher window, or unzip it into its own folder in Mods\ beside Skate.exe.

Maps show up in the ReSkate menu's level list. To join a server running a custom map, you need the same map installed. If the game won't load after installing, see known issues.

skatemods doesn't host or review this mod. The download comes straight from Thunderstore. Only install mods you trust, because scripts can run code.