Both drama has an older woman at the mercy of a high school student. The younger man ends up falling for the older woman after she helps him overcome his internal conflicts. However, the woman is pining his male relative who is her first love.

Both drama deal with the fallout of a murder by fellow family member and the path to reconciliation.

Both dramas deal with illegal poaching and forest rangers who put themselves in danger's way to protect the wild lives.

Smart main lead has hardship in childhood and is in care of another family. Although the other family is very good to ML, he/she continues to feel like outsider. However, ML finds his/her place in high school because the friends he/she makes.

Main characters are orphans who became best friend like family. To avenge someone they love dearly, they took on new identities: One works in the criminal underworld while the other a business man.

Both FL traveled back in time and met the younger version of their mothers. They later became best friends.

The male leads in both drama solve cases by entering into people's subconscious to find clues. The female leads are Chinese Republican Era policewomen with good fighting skills.

Both dramas have characters from fictional work cross over to the real world to harass the authors into changing their stories.

Both dramas have the same premise. The protagonists never met their fathers and have strained relationship with their mothers. Mysterious force sent them back to a time before their birth when they would meet their younger moms and become friends with them.

Both dramas deal with subject of social outcasts and how they came to feel that suicide was their option.

Same concept. A bureau that specifically handles the relationship between humans and monsters and a newbie who is different from his coworkers.

Both story started with a friend steal the kind, naive female lead's man. FL then took revenge against the fake friend by stealing the woman's son.