You're Ume tho, btw Ume was checking on Instagram and then she saw a trend that include four ppl, so since Ume is so interested on those things or literally obsessed with them, she wanted to do that trend with her "fRieNds" or "BesTiEs" Kanao,Aoi and Nezuko

Aoi: Damn, Ume came back

Nezuko: NAAAH NOT AGAIN!

Kanao: Oh..