Love From Zero to One (2022)

In both dramas :
- Dissociative Identity Disorder
- Double Identity
- Psychological Romance
are common

In both the male lead has personality disorder and both fall for the female lead. Later female leads meet them and the guy doesn’t know them. The female ends up for falling for the guy.

one body two personalities
both have a connection to the female lead

In both dramas :
both Female leads in this dramas fall in love with a D.I.D..
their struggle and how the D.I.D/ leading actor overcome his sickness..

In both dramas the ML has two personalities.
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In both the ML has two personalities.
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Both are shorter length dramas in which the ML has two very different personalities. At first his behavior confuses the FL until she learns his secret.

One of the leads has two distinct personalities.
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While one is historical and the other modern day, both have a similar concept of the ML having two different personalities - one cold and traumatized and the other stronger and warmer in his love for the FL. Both dramas have a love triangle between the personalities and the FL, with her more drawn to the cold one who assumes she likes the other personality better.

It's a story evolve around main character having this two-personality-disorder. The comedy and romance are also well combined. both of this have great chemistry and cast.

This drama is similar to fall in love as the female lead suffers from the same Multiple personality disorder and the male lead has do deal with her.