SFLSNZYN said:
Liang confirmed on weibo that latin dance scene was animated by hiroo, a haikyuu!! veteran. Liang did some light correction, softening the pose, making timing more evident and highlighting the facial expression. The idea here was to show the chemistry between boy & girl. (translation for reference only, please don't quote) http://weibo.com/1741198594/FetDq8s5y