They not working on it anymore since they made a rework.
Read the disclaimer to further understand.
The reworked version is called Night Shift: Secrets.
Viewing post in Night Shift at Fazclaire's Nightclub comments
Yes on itch, but not sure why they keeping it locked up in Patreon updates only. They do have a demo of it, but its months old since then.
The reworked version is this one https://zuneku-h-studio.itch.io/nightshiftsecret