Full Marks Hidden Marriage: Pick Up a Son, Get a Free Husband (another version)
Ongoing | Daxingdao Anime | 2000 released
This is a combination of two other stories that I've read. CEO's Sudden Proposal and Vampire Adonis. The child stuff is from CEO, minus the marriage and the entertainment industry stuff from Vamp. Sadly it took a lot of the pacing from Vamp so it's very rushed and contrived instead of fully developing. It does improve later or I would have given it 1*.
Full Marks Hidden Marriage: Pick Up a Son, Get a Free Husband