What's the secret between GG Bond's little hero Li Feifei and GG Bond?

Feifei and GG Bond are good friends among GG Bond's little heroes. According to relevant information, Feifei and GG Bond are very good friends, and both of them have the goal of striving for the rise of prosperous primary schools. Feifei looks sweet and lovely, and her personality is gentle and kind. GG Bond has always had a crush on Feifei, but Feifei's affection for GG Bond is friendship between good friends, not love.