Analysis of information sources in references of the Wikipedia article "绝对领域" in Chinese language version.
Zettai Ryouiki, has 5 levels ranging from Grade A to E.[...] where the sock is reduced to 5cm, otherwise known as the ankle sock (Grade F). [...] The ultimate level Twintails hairstyle and the ultimate level Tsundere attitude. Combine this 2 together with Grade A and you will obtain GRADE S.
Zettai Ryouiki, has 5 levels ranging from Grade A to E.[...] where the sock is reduced to 5cm, otherwise known as the ankle sock (Grade F). [...] The ultimate level Twintails hairstyle and the ultimate level Tsundere attitude. Combine this 2 together with Grade A and you will obtain GRADE S.
