Forgot the stream link, but Risu did really done a "ASMR" where she counts Moona's coins in the piggybank. When Moona realized (or someone did told her) that Risu is doing it, she rush into her room.

And yeah, they all live in one place.

She's okay.

https://www.youtube.com/watch?v=LRfa75QVZX0

She's not okay.

Longer version, with more context: https://www.youtube.com/watch?v=q0Y-XuaSwqU