It's Okay, Even If It's a Lie.

A girl is approached on the street by a strange black-haired girl who claims to be a stray cat named “Meat-kun.” The girl finds Meat-kun's tearful pleas suspicious and she leaves without responding. However, when she goes to the place where the stray cat hangs out, she finds the girl Meat-kun there waiting for her, and the two gradually become friends…

(Source: Melonbooks, translated)

Note: Released at Comitia 119.