Recommendations

Its a Chinese remake of the 2004 korean movie with the same name.
Its a Chinese remake of the 2004 korean movie with the same name.
Its a Chinese remake of the 2004 korean movie with the same name.

Both are very short BL movies that are set in an apartment and involve shared food.
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Both are very short movies with a friends/schoolmates to lovers BL relationship.
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Both are historical mini dramas with a similar dynamic between the leads.
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Both are historical mini dramas in which the leads are working together to investigate mysteries, and one of the leads has a secret identity/goal.

Both are historical dramas of a shorter length in which the leads are working together to solve strange mysteries.

Both are historical mini dramas in which the leads are working together to solve mysteries.
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Both are mini dramas in which the leads are working together to solve strange mysteries, and one of the two is secretly working for someone else and may end up on the opposite side of the other lead.

Both are mini dramas in which the leads are working together to solve strange mysteries.
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Both are mini dramas in which the leads are working together to solve strange mysteries and uncover a secret.

Both are mini dramas about a strange mystery that the leads are working together to solve. Both MLs have a hidden identity, and both FLs are hiding a secret.

Both are mini dramas with a similar dynamic between the leads who are trying to solve a series of mysteries.

Heart-transplant theme. Arrogant, obnoxious CEO. Top-notch, beautiful secretary. Outstanding visuals.

In both dramas, the FL approaches and stays close to the ML because he has or she believes he has the heart of someone close to her (brother vs. first love).

Both have FL’s time travelling to change the future. Blue Birthday is a Korean drama while 940920 is a HK drama. It’s the sequel to Leap Day.