Both romantic dramas centred around a group of women and their friendship. Ex girlfriend club revolves around a group of woman aiming to get revenge on their ex who in turn developed a friendship whilst thirty-nine shows the struggles of dealing with the loss of a best friend in a trio of women.

Both dramas show the struggles of a start up company relating to food. Both dramas are from the perspective of the male lead. The drama contrast in that kkondae intern has a second older ml who is something of a father figure to the primary male lead.

Both dramas are romantic comedies which relate to their respective food industry. Both contain strong FL characters.

Both of these dramas are romantic comedies which contains characters who work within the food business.

Both dramas revolve around the female lead having an alternate appearance. Both are romantic comedies in which the fl dates the boss.

Whilst twenty-five twenty-one has more romance, both dramas are centred around sport (fencing, baseball) highlighting the struggles athletes face.