I deduce that the heroine likes me [Transmigration Book]

Sudden death at night, Kou Shuang traveled to a famous mystery romance novel. —— Female supporting role.Relying on her knowledge of the plot, Kou Shuang intends to use the accent. --Prequel.Due to his worldview, Kou Shuang encountered several cases. (Kou Shuang OS: I can finally cosplay as a detective this time)——QAQ can't reason.Kou Shuang is envious and jealous, why is Song Muxue so smart, witty and cute?There must be some unknown shortcomings!After a series of investigations, Kou Shuang finally came to a conclusion. [Song Muxue's only shortcoming is that she likes me. ] Song Muxue: This is not a conclusion, but a result.Kou Shuang: Shut up!Do you know how much I paid for this result!Song Muxue (laughs): Of course I know. Tips: 1. Kou Shuang X Song Muxue, silly white and sweet time-traveling girl X calm and serious original heroine, no difference in offense and suffering 2. Following the file "Standby Lover (Rebirth)", the beloved double, multi-corner, scumbag, and redemption ( I can't do it) sadomasochism, not long, not good at it, will work hard, ask for advance payment.Content tags: Suspenseful reasoning through time and space through the book Protagonist: Kou Shuang, Song Muxue ┃ Supporting role: Zheng Fenglin