In both of these series a high schoolboy comes to live on an island and falls in love with a local boy. The main character in both has some kind of painful past or insecurities to work through while opening up to a new romance. The island setting and mood of these series feel similar.

Both dramas are about a unusual group of people who con bad people because the legal means to justice have failed them.

Both dramas are about an unlikely gang of people who con bad people out of their money, while working towards a bigger goal of getting revenge on some kind of evil organization. These two dramas give of a similar feeling.

Both of these dramas are about a gang of people who con bad people out of their moneu. Both gangs are led by a sassy female con artist.

Both dramas centre around a very traumatic event that happened to the main characters on a cold christmas day in the past.

Both of these titles deal with the (potential) suicide of a teenager, what went on in their lives leading up to that, and how the people around them cope with this loss.

Both are stories of teens coming of age and falling in love, set in beautiful seaside towns. ITSAY is a bit more dramatic and has a lot more going on in the background, but it is also much longer. His is simple, short, sweet and very genuine. Both are very well written and have great conversations about what it is like to fall in love and grow up as a young adult.

In both of these dramas the main character is con artist portrayed by Seo In Guk. Both dramas also feature elements of comedy and mystery.

Both stories involve a girl who ends up in a guys body and finds a love interest with this new appearance.

Both are the stories of a group of friends struggling to become adults, with some budding romances in between.

The Liar Game series and Die Now have a similar feeling of playing a game with elaborate puzzles against other players. In both dramas the stakes are high, in Die Now it being the players' life, in Liar Game it being debt and money. Both games have a mysterious origin.

Both of these dramas give of a similar feeling of an ambiguous relationship between two guys, and have a similar sense of humor.