Trouble with Yui

While Kirito is out fighting on the front lines, he leaves Asuna to take care of Yui since they adopted her. Soon after, Yui starts to wet the bed and Asuna slides it off as its normal for kids to at her age. After that, more and more it begins to happen and now in the daytime. Asuna begins to worry! I suck at summaries! DL content and partial nudity! Rated T First FF R&R OOC