bunnyの語源のbun。海外ニキが使っていて知りました。
うさぎちゃん、丸いパン、お団子ヘア、その他もろもろ…意味がみんなかわいくてすごいです

Bun is derived from bunny. I found out from when an expert on foreign stuff used it.
Bunnies, round bread, hair buns, and a bunch of others... Amazing how all the meanings are cute.