they work at the same company
main leads work at the same place or different occupations
Different occupations
FL is a beginner or expert in her work field
Expert
Soft hearted ML or cold ML
can't recognize faces (i've always found prosopagnosia really intriguing)
ML is a single dad or FL is a single mom
FL is a single mom
Happy clichés or realistic issues?
Unrelated people
after the main leads get married - they live with their in laws or their own separate house
Own separate house
Main leads have a big or small wedding near the end
Big( crazy rich asian style- that was the coolest wedding )
FL secretary or FL Ceo
Fake wedding
main character has a private tutor or goes to cram school
Private tutor
Quirky MC or depressed MC?