Jiang Zimi [Book Friend 'The Destruction of Heaven and Earth' cameo]: The protagonist's agent, artist Jiang Minjing's brother.

Park Chang-joon [Book friend 'Coco Annihilation' cameo]: The protagonist's friend, Lee Seung-gi's sworn friend. The second heir of a prominent family in country H, he loves beautiful men, has weak combat effectiveness, and likes to play behind his back. PS: Encore is his trumpet

Xu Yuwen [Book Friend 'Residual Thoughts' and 'Years Are Not Sleepy' cameo]: A boy raised by Xu Xian's parents, there is a plot of loving sisters.

Choi Min-hee [Book friend 'Only Love' cameo]: An important member of CJ Choi's family, Choi so-young's cousin of Girls' Generation, and his love for Goo Hara.

Tree Director [Scholar 'Belief_zl' cameo]: Ambiguous relationship with ninemuses Liu Shiluo, a well-known CF director in the industry.

Ai Luguan [Book friend 'Blue Devil' cameo]: The small leader of the bikers, one of the important murderers of Yeon Jeong-hoon's vegetative people, and was later taken under the command of Richard.

Ahn Jae-shin [Book Friend 'Lonely Bookworm' cameo]: Former GM songwriter, later transferred to S.M, became a royal writer, specializing in songwriting for the girl group.

Song Hyun-woo [Book friend 'Great Love Korean Entertainment' cameo]: The agent who appeared during the protagonist's transition.

Chen Yumo [Book friend 'barbecue' cameo]: A second-year teenager with a crush on Mayu Watanabe.

Gu Ha Fan [Book Friend's 'Receiving the Bento' Cameo]: A dance teacher at TD Entertainment, who has been a choreographer for the Mask Dance Company.

PS: Dragon sets are being added one after another.