The male protagonist would blush when facing the female protagonist. This was a relatively common plot setting. In many novels, the male protagonist would usually feel shy or nervous when facing the female protagonist. This was because they realized that they had special feelings for the female protagonist, and this feeling made them feel uneasy and embarrassed. In this case, the male protagonist would usually hide his emotions by silence or smile to avoid making the female protagonist feel uncomfortable or awkward. However, in some novels, the male protagonist might express his feelings to the female protagonist in some way, such as bravely confessing to her or showing his strong leadership and charm to win the female protagonist's heart. The male protagonist would blush when facing the female protagonist. This was a very common way of expression. It allowed the readers to feel the emotional entanglement and interaction between the male protagonist and the female protagonist, as well as the love and warmth between them.