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Male lead have terrible past.
Terrible past was caused by his own family member.
Male lead always suspect his father for terrible things happened in past.

Both drama contain office love.
Also got emotional confused.
Love rivals are also have close relationship with main lead.

Both stories are full of blood and crime that involves childrens, also both have the same cult action atmosphere.

They are both similar with the time travelling part of it, but Enoshima Prism is more friendship based whereas Operation Proposal is more romance based

Both of the girls have strong character and amazing powers!
If you like this drama...... you will also enjoy watching "My girlfriend is a gumiho". Strong super powerful girls with a sweet heart and a interesting relationship ^.^

It is almost the same name the only thing is that one of them said the ledgendary school.

More then anything, because of historical facts. if you got interested in historical events from Scarlet Heart, you should give it a try ( like I did). This drama takes time just after Gwangjong's reign, and starts with story of Gwangjong's son, Gyungjong. There're some more couple of characters that you will recognize from Scarlet Heart.. As well, all the tragedies start because of the battle for the throne...

If you like VKei, you'll like Miyavi's 'Oresama'. A different take on VKei in the movies that will surely appeal to you. Both a relatively short, but the main characters are real VKei singers.

both female lead fall in love with a high school student. something similar...for me.. try to watch both drama..

Similar sense of humor. Both are well written, absurd, and somewhat complex stories about an unexpected and unintentional hero fighting against a raging tide of corporate greed and corruption. Clever female characters, antagonists you want to see redeemed, and a lead you just can't help but root for. Both shows come highly recommended.

both are about fraud who become mr righteous by helping people in need, but Chief Kim is funnier

Both have to do with the mind/Psychology. Liar Game has less to do with the law than Dr. Frost does. Both drama's have at least one Psychopath present in them. Plot wise they aren't much alike, Liar Game's plot has a game show, whereas Dr. Frost involves the main lead working with the Police.

Both have to do with Psychology. Sometimes Psychopaths, more so in I Remember You. Both Main Leads play Professors. Both help out the Police with their intelligence. There isn't much romance in Dr. Frost, but there's some in I Remember You.

while the IB has the male lead as the introvert character, HTH has the female lead as the introvert character, overall they're both good series

Love for extracurricular activities, friends, quircky character and college life.