>>5044771She explained in a now also privated stream that her mum's a Catholic which is why she won't stream on Christmas, because her family actually celebrates it like it's supposed to. Although since her dad is a (practicing?) Buddhist they decorate their Christmas tree with Buddhist stuff etc. For what it's worth, the way she talked about it made it sound like that's not an environment that inspires any sincere religious feelings in the children.
Personally I find Chilla's Art games to be endearingly shit. I wouldn't bother playing them myself and it's not like I care to watch anyone other than Suisei play them, but still I rather like them in a so bad it's good kind of way.