Yes they did. She talked about it on stream, burger planet got mad at her for ditching him after they had sex.
I can't find the clip of her admitting to it but I did find this tho
Here she talks about burger and insinuates they had intercourse. Burger fell in love with her and she ditched him, she just wanted to fuck while burger wanted more...
Burger fucked these 2 streamers in Asia (Mskat & bongbong) and fell in love with them,
Both admitted to having sex with burger, Mskat enjoyed it lol, there are clips of them talking about it but I don't know where to find them now.