Talk:Ram/@comment-30164434-20161023041503/@comment-26294229-20170117114445

rem is not shy. she is a manipulative person who keeps to herself,

and it's actually mentioned that out of the two sisters, Rem's insults and humor are the more deceptive and subtle. Subaru misunderstood her at times, but it's hinted that she knows full well how to put on an act and play dumber than she is.