Why is Yan Song cp called Yan Ruyu?
It's beautiful. Both Yan and Song are called Yan Ruyu, because they are particularly beautiful. Yan Ruyu refers to a particularly beautiful beauty. CP is the abbreviation of English coupling, and Japanese is カップリング or カプ, which indicates the matching relationship between people. From ACGN circle in Japan. The original meaning refers to the pairing of people in love.