Hidden Marriage, Married to Brother's Cold CEO Sister

Male protagonist's perspective [Marriage first, love later + double cleanliness + 1V1 + female boss + age difference] During the day, she was the ruthless boss who paved the way for him, sending him into the entertainment industry to ride the waves; Late at night, she was the "sister" who pestered him to coax him to sleep. Until Gu Xingci became popular on the Internet with his life variety show, and the label "Husband Feeling" sparked heated discussions The younger brother Leng Yichen connected all the clues to uncover the secret between the two. Wait, how did my brother become my brother-in-law? ! Note: The male protagonist is not silly and sweet, he has a growth line.