The Back Alley Alliance (or After-school Alleyway Alliance in other translations) is a comedy trio from Carnival Phantasm composed of Yumizuka Satsuki, Riesbyfe Stridberg and Sion Eltnam Atlasia. In each episode of Carnival Phantasm, the trio will appear where Satsuki talk about a certain topic, Riesbyfe gets distracted and derails the act, and Sion confuses them all by claiming the entire event was all within her calculations.