Headcanon 1. Irma uses an old fern blue baggy sweater as pajamas. (reminiscent of 80’s irma)

Headcanon 2. April never carries pajamas when sleeping over at Irma’s, because she lends her her own t-shirts as pajamas. 

Not yuri. 
(Or whatever. I actually wouldn’t mind the pairing, but it was not in my mind while I was drawing)