ASTER

both FL has to marry defense officer to hide their identity and avoid assassinated by bad guy
in Yeut Fah Ha Pigat Ruk FL (dumb FL always make trouble)is researcher of cancer vaccination project NADIA ML is air force officer who appointed as her bodyguard and fake husband. as well as in The Crown Princess FL(strong FL) is heir of crown of hyrosis island and ML is navy officer and fake husband of her

as comparison to the crown princess , yeut fah ha pigat ruk leads are childish (bickering)

both FL holding critical position where they are assassin-ed in K2 FL is political leader's daughter has birth secret which cause her trouble ML ex army man who appointed as her bodyguard during this duty he fall in love with her. the crown princess is story of princess who appointed as the crown princess and her journey cause of her position she is target of assassin so a navy officer appointed as her body guard and in end fall in love

both dram have same plot secret pregnancy after some year male lead some how find it and fight for child