They Are All the Protagonists, Why Are You so Strong?

Fantasy+Funny+No heroine+Not the Virgin+Time Travel+Refreshing Article=? Chu Qingchuan, who traveled to a different world, unexpectedly discovered that the founder of this world was actually a math enthusiast? You can get plug-ins by solving the corresponding puzzles. [Ding~Get a hundredfold gain] [Ding~ Obtain top professional talents] [Ding~ Get hidden information tips] Ding~.... Chu Qingchuan: I like your plug-in very much, but it is mine now, Jie Jie Jie The introduction is too weak, please move to the main text.