Who knows, I know you, I know you know the next sentence

the face is like frost and snow, and the kiss is like snow.

Who knows that I know you? I know that you know a lot. Your face is like frost and snow, and your kiss is like snow. This sentence comes from the poetic dialogue between the night messenger of Aszo and the skin dawn messenger of Riven in League of Legends.

Who knows that I know you? I know that you know a lot. Your face is like frost and snow, and your kiss is like snow. This sentence means: Who knows that I know you? I know that I know you best. Your cheeks are as white as paper and cold as ice, and even the kisses you give me are chilly.