I don't know about 19 days, but whose baby is it is available on Webcomics.
U can read it here
You can read 19 days on the author's Weibo! https://weibo.com/p/1005051862364383/home?from=page_100505&mod=TAB&is_all=1#_rnd1602502870049
It's okay and thanks for the info
Hehe okay thanks
Thank you very much (≧∀≦)
Does anyone know where to read 19 days and whose baby is it or any other manhua officially? Will appreciate the helps, thank you in advanced