Due to family reasons, Su Qingzhi was trafficked into a brothel, adopted by the unscrupulous boss Zhuang Qing, and became an Infernal Affairs practitioner, while also having an affair with his ruffian hero brother Su Yuezhi...
There are two monsters here, a young monster and an old monster.
Main cp: Su Yuezhi Xiao Xiao (brother's first year)
Deputy CP: Lin Mu Zhuang Qing