No way in the seven hells or any of the God knows how many heavens would any decent pair of parents with a functional mind let a couple-year-old child hold a newborn. Those things are fragile
Small but important spoiler for the romance:
Important to keep that in mind because a lot of people raised a ruckus at the end of the novel because of it.
Mildly annoyed that the author (and by extension, Na Kang Lim) forgot to mention Yoo Na ri and Park Jung Ah before he realized he actually loves all of the girls