Main Leads where the FL is of higher social standing than the ML. 

SiblingsCousinsParent-childAdopted siblingsStep-siblingsStep Parent-Step Child

Forced MarriageArranged Marriage

Older Girl - Younger GuyMain leadsNone FantasyNone Sci-Fi

Contract DatingFake DatingFake MarriageDuped into marriage by their 'spouse' 

Blood BrothersAdopted BrothersFoster Brothers

Lead or supporting character had makeover/TransformationPlastic Surgery Make-overUpdated Fashion styleChange Lifestyle

Leads are actors/Actresses 

DivorcedWidowedUnmarried parentNo Affair

Non historicalNo amnesia

Travel to past, Travel to the future, travel from another world

Main leads are in an ambigouslike affair relationshipLeads has an affair and has to atoneLeads becomes the mistressLead has one night stand…

Big age gap between female and male. With way older guy. NO saguek, but period (Japanese occupation/WW2 era) is allowed 

Ghost SeeingGhost PossessionExorcism

Set in High School 

Playboy / CasanovaFlirtGigolo

ChinaTaiwanHongKong

Korean, Chinese, Japanese, Thai, Filipino

Contract MarriageMarriage for convenienceFake marriage

RoommatesDormmatesFlat neighbors

None Sci-Fi related dramasNo cloningNo reincarnation

WLFKBJA94HearttsringCiaTOrange DaysIn a Good WayMG

ChinaTaiwanHongkong

None supernatural humans (no vampires, fox tail, goblin, grim reaper, mermaid) None time travel/time related powersNone ghost related (no ghost…

Except the Boss-SecretaryNoLegal dramaMedical dramaEntertainment worldCooking (restaurant/kitchen) 

ML is boss while FL is secretary

SupernaturalSci-fi

Fake terminal illnessSupporting characters has terminal illness

Body Age changeTime StopAcross time communication