C258 Tell Me about the past

The first time they met, without saying a word, she raised her head at the age of five and stood on tiptoe to kiss him at the age of ten.

After kissing, the girl looked at him with her eyes wide open. She saw that he did not speak and did not smile.

Eh... is Brother Gu unhappy? Didn't everyone say that kissing is a sign of liking someone? She likes this brother very much