Both revolve around husband cheating on wife and having an affair and wife planning for revenge with help of a friend and left husband with nothing but miseray

Both dramas have similar aspects where the husband betrays a wife who loves and supported him in all stages of life from hardships to happiness and having affair with another woman. Another woman is in for the money as she schemes with her so-called brother of her to scam husbands into money.
In both dramas, the husband is lied to about many things leading to differences between husband and wife.
The difference is the climax of the husband and wife at the end of the drama.

Both have female main leads with super powers and plots revolving around a murder and female main lead suffering from amnesia about a murder incident

Both dramas have a common plot of soul switches between siblings. In Korean Drama big both male main leads are half-siblings where one is awake and the other is in a coma and the least one who is awake has to find the meaning behind the soul switch and why it happened to reverse it. Whereas in the drama Cupid's Last Wish soul switches between brother and sister and the male main lead in sisters body embarks on journey to collect holy water from 4 monks to reverse the soul switch

Both the drama includes the main leads being abandoned by their birth mothers and taken into a foster family and are initially unaware that they are adopted. The biological mothers unaware that the main leads are their own biological children hurt them and cause chaos in their happy family life. In the drama, You Are The Best female main lead is hurt and bullied by her bio mom in her path as an aspiring actress and in the drama Rosy lover the male main lead was bullied by his bio mom in his path as an aspiring shoe designer

The common point of both dramas is the love of a mother towards their children and the helplessness they face in the face of death due to terminal illness and the male main lead embracing the fact and trying to make her life as happy and fulfilling as possible .

In both, the drama the female main lead does everything in her power to leave their child with a whole and happy family before they pass away/die. Both are Emotional Tearjerker dramas displaying the love of a mother and the things they do to make their children's life happy and fulfilling after they die. The drama Hi Bye, Mama! has a touch of supernatural to it.

Both dramas have the common factor of the supernatural element, where the supernatural being is present to bring out and fulfill the customer's desire.

The movie "Love You Forever" is similar to the drama "The Light in Your Eyes (2019) " in the movie the male main leads travels back in time to save his first love from accident at the price of his fast aging and being erased from memories of people around him even his father .Where as in drama female main lead turns back time multiple times to save her father at the cost of her fast aging into a grandmother

In both dramas, the male main lead is framed for the crime he did not commit and is on the run but later returns to take his revenge on the people who cause his pain .

Similar to the aspect of finding the tomb and male main lead expert in the particular field.Candle in the Tomb: The Weasel Grave is related to an ancient witch and tomb related to weasel

Same everything just a series of 16 episodes.Where the female lead travels back in time burning a photo to save the male main lead . But she did not know it came with a price.