In both drama Mature male and female lead in both drama
And they have mature relationship
Both drama include designer occupation
In "hello my shining love" male lead is a tenant in female lead house and in " love designer female lead was a tenant in male lead house.
And in both dramas they were kind of neighbour

1- ml kill his previous wives
2-more care for his wife (fl) than his childrens
And they give general's lady couple vibe