Man, this is more of a reason to have a slice of life spin-off. I can totally see kyouko doing that.
Eh... You like it that much...?She'll eat everything in front of her eyes, you know!?Sayaka! Kyoko in her maid costume looks really pretty. I asked her to deliver the customer's order just now.You can't make Kyoko do things like that!Huuuuuuh!?The store managerSorry... I was eating them already when I realised it...It suits you better than I thought. You look pretty.Let me buy this uniform, 10 sets of them!You can't eat the customers' orders, but I'll let you have them later.Endure it a little, OK?*Stares*Don't look at me like that! I'll pay for them! Are you picking a fight with me!?No...You got something on your face.Huh!?