- both are online friends
- both male lead caused some problems for female lead in real life but helped solve the problem they caused in online
- both are sweet

-Both male lead are working as special force police
-Both female lead are doctors
-Both dramas have a scenario of earthquake with both main leads starting to know each other better
-Both female leads were quarantined
-Both female leads were being stood up for dates as the male leads needed to go for tasks
-Same vibes

-Both leads lives together due to some incident
-Both female leads have certain no. of days they will live until ( Doom At Your Service- female have 100 days left )( My Roommate Is A Gumiho-female have 1 year left if the marble isn't taken out )
-Both male leads are not human & both female leads are humans
-Both female leads feels pain and only the male lead's touch can smooth their pain
-Both male lead have that loneliness feel
-both dramas gives you butterflies
-for me, i really feel pity for both drama main leads