In vivo observation log number ZGY000001 Scientific name: Gao Yuan Gender: Male Blood type: O Date of birth: April 1, 1982 Subjects: Animalia - Chordata - Mammalia - Primates - Hominidae Notes: Do not feed... Gao Yuan (holding a thick book, his face turned green and white and asked): What is this? ! Chu Xuan (pushing down his eyes, after a strange silence, answered seriously): ... Secret Love Diary. Character introduction: Gao Yuan is the same age as Chu Xuan and was born together. He has always been Chu Xuan's number one observation and simulation target. I don't know the infinite plot. CP: Chu Xuan