Both are dramas with ML having identical twin brother which means ML actors playing twin roles. Even though both are very different genre, it involves a secret hidden in both.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. Even though both are very different genre, it involves a mystery in both.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. Even though both are very different genre, it involves a mystery in both.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. Even though both are very different genre, it involves a mystery in both.
Both are dramas with ML having double roles. In Are You Human Too, it's ML character having another robot version of him. In Last Summer, it's ML having identical twin brother. It has romance in both.
Both dramas have main characters having double roles. In Mask, it's FL who has a doppelganger who looks exactly like her. In Last Summer, it's ML who has identical twin brother.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. But, both are very different genres. One is fictional historical epic drama, and the other is modern youth romance.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. But, both are very different genres. One is fictional historical epic drama, and the other is modern youth romance.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. But, both are very different genres. One is fictional historical epic drama, and the other is modern youth romance.
Both are dramas with ML having identical twin brother which means ML actors playing twin roles. But, both are very different genres. One is fictional historical epic drama, and the other is modern youth romance.
In Defendant, Um Ki Joon's character (one of MLs) has identical twin brother. In Last Summer, ML, Lee Jae Wook's character has identical twin brother. Except that, they're totally different genres.
Both are romance korean dramas with summer settings. Both dramas also have same premise as two childhood friends/lovers reunited when they become adults.