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Kurotokage (1962) and Black Lizard (1968) are based on the same Edogawa Rampo novel. Both films are campy and stylish, although the 1962 adaptation includes a few random musical numbers and is considered ahead of its time. Each take on the story also comes across differently since Kurotokage stars female lead Kyo Machiko as the titular character, while male actor Maruyama Akihiro plays the same role, in drag, in Black Lizard. Both adaptations are worth watching!

Both dramas are about a group of women and their struggles with work, life and romance. They also both feature Yoshitaka Yuriko, Oshima Yuko and Tanaka Kei.

Both medical dramas. Both involves doctors who'd rather save lives rather than being a doctor just for the money. Similar plot.

In both dramas, the male leads have supernatural powers. Both have a similar theme of male lead being away/asleep for 100 something years. After awakening, they must re-enter society and learn the ways of the new world as well as find the person that harmed them.

Both are war movies set in 1950 during korean war and both are stories about bravery and sacrifice.

71: Into the Fire is based on real events while Tae Guk Gi is a fictional story

both take place in allboys highschool where close friendships are wrecked and squads fall apart. When one friend starts to ignore the other feelings of inferiority and animosity arise and things go too far

even though I remember you doesn't have supernatural/wuxia kind of genre, i like the feeling of brotherly love of the main male lead to their brother of this both drama.
Ice Fantasy is from China and
I Remember You is from south korea try to watch both drama you'll like it

Though the setting might be different, but it conveys the same "the place where I belong feel".

Both dramas are about optimistic girls who had dreams but ended up working in a publishing company doing a seemingly ordinary work. Juhan Shuttai focuses on the editors surrounding the manga artistes.

Both stray away from the romanticized ideal of gay relationships and focus on the hard hitting reality of it.

Both series are about strong women who become pregnant and decide to raise their children alone. In both series their partners don't know about the child.

In both series the main girl becomes pregnant and she has difficulties following her dream.

Both male protagonists have lost their Crown Princess at the beginning of the drama, there is no time travel, but it is an historical romance

Both male protagonist are from past, it involves time travel, love and mystery

Both has Time Travel.. On both one of the couple is from an old era, On Rooftop Prince he is from Joseon Era, On Scarlet Heart modern girl travels back to Goryeo Era. Both has got great love story