This is a Real Fight Soul Eater Not! : Season 1 Episode 6

Tsugumi and the others get a bad impression from the Thompson sisters, Liz and Patty, who are working at Deathbucks whilst on probation, having spent most of their childhood living on the streets of Brooklyn. When they run into the sisters later that day, Anya prepares to stand against them with Tsugumi, but is outmatched by their ability to both transform into pistols.