I don't know what those are, but I had them and they're tasty.
"Squishy donuts of doom!"

tis mocchi mayhaps?

They are called "anman" (red bean buns) or "tau sah bao" in Chinese. Apparently Sumino (on the left) likes them so much she puts sweet red bean paste in everything she cooks.

Should the game cgs from the SNOW game have the tag "snow (studio mebius game)" in order to distinguish it from the more commonly found white fluffy stuff?

Yeah, that would deffinately help... I edit it again.