"Got too embarrassed" ?

"Acted too cool" ?

"Regretting" ?

What an IDIOT kuma...

What do I do?! What if he thought I rejected him indirectly???!!!

Go to Admiral to accept the proposal already kuma.

Annoying kuma!

I'm sorry, nee-chan.

What face should I have when I meet him

Nee-chan will be there with you kuma.

Seriously, just appearance and words are not splendid at all kuma.