Talk:Karin Yuitsuka/@comment-187.59.182.197-20151216025636/@comment-856627-20151216040438

Nah. If you read the manga Room 303, you'll see she's indeed grumpy, and even violent (at least towards this guy Momozono also from the oneshot).

And from her conversation with Jin, you can clearly tell she's just being her usual self, as evidenced by the quote I put up there. :P