emeraldarrows

Both are about the ML and FL who were together in high school separating due to the ML causing a misunderstanding. Years later the two unexpectedly cross paths. Both dramas have a similar feel, being character driven and also focusing on the other people in the main couple's lives (like parents, etc.).

Both are mini dramas that jump back and forth between the past and present with the ML and FL in high school to their present. Both have a quirky end of each episode showing a different POV .

Both are mini dramas with a possessive/violent ML and a FL who assumes a false identity and must deal with her abusive family/people who took her in.

Both are mini dramas in which the ML has a dark personality/on a dark path and the FL enters his life under a false identity/pretenses.

Both are about a poor FL entering the house of a rich grandfather and his grandson(s) and becoming involved with one of the grandsons.

Both are mini dramas in which the rich ML is in a contract relationship with the FL to pretend to be someone else (his long lost sister vs. lost fiancée) in order to make his sick grandfather happy.

Both dramas have a contract relationship (siblings vs. marriage) between the main couple in order to please the ML's sick grandparent.

Both dramas have the odd concept of the main couple pretending to be brother and sister and living together.

Both are mini dramas in which the ML and FL agree to a contract relationship as relatives (brother and sister vs. father and daughter) for the ML's need to please a relative, and while living together they fall in love.

Both dramas are fake brother-sister relationships between the main couple. And both MLs fall first.
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FL has a contract relationship with the ML (pretending to be his sister vs. being his wife for a short while) which is to benefit the ML's father in some way. Both are mini dramas.

In both dramas the main couple have a fake brother-sister contract relationship that turns to romance.