Revolves around money and family, particular just 1 family. Revenge, love, secret identities and revelations.

Family dramas that revolves around the young people of the family. Parents are placed in a position where they have to take responsibility for the choices they made in place of their children.
Both aired at the same period (2015-2016 weekend dramas)

The main male lead is predicted to die and the the main female is a bright women is brought down by her circumstances. Resistance to love and the solving of problems together.

Both are great romantic comedies.

About a girl who lives with a guy/guys, and ends up finding love. Both are Japanese dramas with light, fluffy, comedic and heartwarming moments.

Takes place in Joseon and shows non-expected viewpoints, one of a prison warden, the other of a long lost Princess. Both engage in a series of event that try to over turn the political corruption and help the people of Joseon.

Twisted psychological warfare is involved in both as the main characters face a series of events presented to them through the filming of a reality/game show. They're both given tasks to complete or otherwise face great danger.
Wanted is about a mom trying to save her son from a kidnapper who requests her to make a show and complete the missions he gives her everyday, for 10 days.
Liar Game is about a naive and innocent girl who gets thrown into the world of trickery and greed by participating in the Liar Games which will require her to play games to either win lots of money or fall into a grave debt.

Similar shoujo appeal, terrible misunderstandings but endearing plot lines! Untypical main leads, but both are undeniably loveable. Second male lead is played by the same actor.

Similar in the concept of someone who is consider "too old" trying to fix their lives, or at least start to live properly.

Starred by a member(s) of AKB48.
Both include yankees and school life, as well as the clash of 2 very different lifestyles. Both are lively dramas about being who you are, confidence, loyalty, and finding one's path in life/fulfilling dreams.

Story of youth trying to find their way and making the most of events. Has a similar light and "inspiring" vibe. Cha Sik and Junggu have similar personalities (or similar aura).

Stories of youth struggling and making their dreams come true. Also, one character doing what others think is impossible and being the ultimate changing factor in their lives.

Back to take revenge plot. Both characters are rich and pretty organized in terms of the way the plan their revenge. The girl of course, while being their weakness, is also their only remaining tie to humanity.