In both the dramas the male lead wakes up the female lead, a mythical character, from a slumber. In both the dramas the female lead clings onto the male lead and has powers to threaten them lol. Eventually they fall in love.

Male leads of both the shows are rich and seem to be short on time. Both leads have destroyed the female leads' lives. Both the dramas are melodramatic.

They have the same, melo feel and both deal with spousal cheating. I feel like they also have very similar cinematography

In Coffee Prince, the male lead helplessly falls in love with the female lead despite thinking she's a guy. Conflicting feelings ensue and it makes us love him even more. In I'm not a robot, the male lead helplessly falls in love with the female lead despite knowing her as a robot and faces a similar dilemma.

In both dramas, the two leads start on the wrong foot. In both dramas, the guy falls for a "lesbian".

Both dramas have protagonists who are cooks and have talent in cooking. While IRRLY has the female lead working in the President's kitchen, Sato's character is the emperor's cook in TNR. Certain scenes in TNR seem to be inspired by IRRLY, although it could simply be a coincidence.

Both have single mom protagonists raising their kids in a village and there are a lot of similar characters in the village. Both moms have a kid with a disease. While Lee Bom has HIV, Xaio Le has diabetes.

both have slow-building romances that start from friendship. In both the dramas, the female lead is working in an office and striving hard. Both male leads are super sweet and nice. Not jerks.

Both dramas have the same female lead actress and she plays similar roles, although Pyo Na Ri is much more naive than Gu Hye Jung (The Greatest Love). In both dramas, she takes care of her family financially. Both the dramas have great romance.

Both dramas deal with jerk CEOs falling in love with innocent women and going crazy and being helpless. It's quite a funny sight. In both the dramas, their assistant helps them.

In both the dramas, the female leads come from rural mountain areas that do not have modern facilities like electricity, phone internet etc. Both cook rice on fire. Both are attached to a deceased grandparent. The male leads are super rich in both the dramas. Both of the series are hilarious!