What is the special meaning of "seven snows"?

Nothing special! ! ! NANAYUKI's profile "flies away with the wind and sings wildly." Pick your lips lightly, laugh at the three thousand world, and things are like chess. Yutang, Huan Zi and Jian are all closed-door Zen, and their gestures are full of firm but gentle and lofty sentiments. The detachment, free and easy, arrogance and evil charm of the seven snows perfectly explain the king's evil spirit and emperor's domineering spirit of the Oriental Department. COSER name: Qixue nickname: Qiye; 77 gender: female male to COSER (but the female role of COS is also cute) Constellation: lion blood type: AB height: 169cm Date of birth:1August 1983 Date of birth & current residence: China Imperial Capital. Once belonged to a club: Wu Sheng the Dragon Ape, Turing Club now belongs to a club: Loyalty Hall (Knights of Wang Liguo) Favorites: horse racing, bullying reka and accommodation. Favorite food: steak. Dad's fish with Chinese sauerkraut. Japanese food. Breakfast for Mickey and KFC. Cherry. Watermelon. Strawberries, pineapples, milk grapes, etc. Favorite drink: afternoon tea. Coke. Coffee. Favorite place: Japan. Egypt. Pyramid. Taiwan Province province. Hollywood. Hawaii. There is also Su Jia v. LikCP: Piyun. Mouse and cat. Double evil, etc Motto: Never be a gentleman. Those who follow me will prosper, and those who oppose me will die!