He became little paranoid when he heard her say he was roaming here and there when he should study and just study.
The truth was, he was in the lab the whole time as his professor was too keen on making them complete the important surgery practicals within a given little period.
He was usually calm yet funny and very easy to blend with, but actually was acting little paranoid. Maybe because this question come out from Cai Yi's mouth rather than someone else.
" Ohh! sorry, I thought you were now busy and have so much time in your hand. Turn out you were busy the whole time ", She had the urged the scathing her neck as she made the wrong remark on him saying he was too free to do useless thing and was now feeling little awkwardly. Unfortunately, she had so many stuff in her hand and had no free hand to do that activity.