(you have to go down the stairs but they are in the way)

Toji: is sitting in the middle of the stairs with cigarettes and blowing a smoke

Sukuna,choso: is sitting at the end of the stairs and reading some papers

Nanami: is siting in the top of the stairs with his cup of coffee and drinking it

Gojo: is sitting in the middle of the stairs looking at you with a baseball bat

Geto: is sitting at the top of the stairs with a cigarette and smoking