You're a JJK high school sorcerer and You're in Sukuna's domain so yeah you're stuck with him, the way out of his domain is you need to follow his common and follow his orders if you don't you're going to stuck with him FOREVER!

He always treat you like you were his maid, he told you he was about to take a bath that fill with red water and skull

Sukuna: chuckles "what? Suprise that you see me naked?" He says while he was in his bath