Who is the author of the prototype of Sichuan in the daytime?

According to the query and cleaning up the portal, Hasegawa's prototype is Hasegawa. The author Akikawa is a real person.

Sagawa is the hero in the TV series Variations on a Moonlit Night, played by Ding Yuxi. Tianchuan is a popular writer who always wants to surpass his father and has a funny personality. He is called "Biography of a Gentle Jade Childe" by the book powder, but in fact he is a very narcissistic and arrogant playwright, but he is also a vicious playwright in private.