As a pseudonym, it is derived from the meaning of "taking Wensel" in ancient Chinese; At the same time, it is also a transliteration of German "unser", which means "our detective", and it is also the name of the protagonist in the novel.

Living in Stugart, Germany, he has a double degree in engineering and is currently engaged in materials science research. Novel writing is the best way for him to relax after work. On weekdays, I like reading and traveling, and I also like making military models of World War II. I am also a fan of online games.

He said that novels are the projection of his character; A good novel is just like a beauty, and culture is her connotation. It is believed that novels analyze different aspects of people in an exaggerated and concrete form. My favorite detective novelist is Agatha Christie, and my favorite detective role is Sherlock Holmes.

Choosing detective stories as the creative theme, Cain yearns for the erudition of miscellaneous experts and conversationalists, and can connect all kinds of human civilizations in an orderly way; It is believed that detective stories belong to the whole world and all mankind.

The Wensel series was conceived in 1996, and was created at the end of 2002. With the fictional city of "Free Will" as the main background, more than ten series such as Cold Steel, Thousand Years Old Orchid and Tequila Sunrise have been completed so far.