What would your reaction be if you found out that someone close to you actually likes you? That someone is your junior who appears innocent but in truth, he is a wolf in sheep's clothing stalking its prey and you are the prey?
Ji Yao had never understood emotions before because he wasn't exposed to anyone's touch apart from his father. So when Rui Fei came in touch with him he didn't know the meaning of the word boundary.
He let Rui Fei touch him however he pleased and he also touched Rui Fei a lot that his father had to mention boundaries.
But it was rather too late. Trying to put back toothpaste into the tube was simply impossible. Since the day they met, they had cuddled unintentionally or accidentally on purpose which Ji Yao was trying to amend by keeping some distance from him.