Amnesia/Mental Variance/Coma/Brains

Amnesia.

Empathy stunted.

Amnesia.

Cynophobia (fear of dogs).

Mental Illness. Haphephobia (fear or dislike of touching or being touched).

Dementia, Alzheimer's Disease, Neurological Disorder.

Amnesia.

Amnesia.

Amnesia from a car accident.

PTSD. 

"Lee Gun used to be a promising tennis player, but he was injured. After that, he lost all of his self-esteem, and his life completely changed. With the use of a memory eraser, his memory is erased, and he is reborn with maximum self-esteem and presence."

Amnesia.

"Soo Ah, before passing away makes an unbelievable promise to her husband, Woo Jin, to return one year later on a rainy day. Miraculously, she keeps the promise and reappears before her husband and son but all her memories have disappeared."

Coma. Amnesia.

Amnesia (from surgery and pills).

Amnesia.

Coma.

Amnesia.

Mysophobia  (fear of germs).

Amnesia.

Faked Amnesia.

Dissociative Identity Disorder.

[Joo Eun Ho is an unknown announcer with 14 years of experience. She struggles to get the chance to have her name recognized by the public. She also has another personality, Joo Hye Ri, due to a deep wound in her heart.]

Enochlophobia (fear of crowds).

Amnesia.

Amnesia.

"Kang Ji Hyun boards Seo Young Min's taxi, but with a catch: she has no recollection of her past life and is unable to leave the vehicle."

Short-term memory loss.

Glioblastoma (brain cancer).

Amnesia.

Amnesia.

Amnesia.

Coma.

Gaps in her memory.

Amnesia.

Amnesia.

Coma. Amnesia. Hyperthymesia (highly superior autobiographical memory).

Ageusia (a complete loss of the sense of taste).

Social Anxiety Disorder.

Sociopath. 

Such a good series, but I have yet to finish it, because I'm too invested in the characters and don't want anything to happen to them. 

Amnesia. 

Amnesia.

Depression, mental illness.

Amnesia.

Amnesia.

Mental Illness. Enochlophobia (fear of crowds).

Mental Illness.

Dissociative Identity Disorder.

Mysophobia  (fear of germs).

Mysophobia  (fear of germs).

Amnesia.

Amnesia.

Mental Illness.

Haphephobia (fear or dislike of touching or being touched).

Amnesia, Brain Tumor.

Amnesia.

[A man lost his hearing and memory through an accident and meets a woman who became a savior to him.]

Severe PTSD. Anxiety disorder. OCD.

Mental illness.

Schizophrenia. Tourette's Syndrome.

ML had autistic tendencies. FL was sociopathic.

Multiple personalities. Memory loss and disassociation. 

Amnesia.

Amnesia.

"During their honeymoon, Soo Ho has an accident and loses his memory."

Amnesia.

[The story revolves around Kwon Soo Young who lost his memory and gets involved in a power struggle.]

This makes three projects in a row where Seo In Guk plays a lead with amnesia. He had amnesia in Shopping King Louie, too. 

Coma.

Amnesia.

"But, on the day that they applied for a divorce, they get into a car accident. When they wake up at the hospital, they have both lost their memories and do not remember each other."

"Involved in a car accident at a young age, he developed a strange neurosis that worsened with time. Believing he is the Ming Dynasty’s Emperor Jianwen, Xuan Wen cares only for the prosperity of his imaginary empire."

Amnesia.

Amnesia.

Dissociative Identity Disorder.

"Yoo Eun Ho has a special ability which allows him to read the minds of other people when he places his hand on them. Due to his special ability, he can't open his mind to anyone. One day, he meets Han Ye Ri. He is able to discern that what she says is actually what she thinks, but he also learns that she has two different personalities."

Technically, not a coma but frozen for two decades.  

Amnesia.

Amnesia.

Amnesia.

Amnesia.

Amnesia.

Coma.

Amnesia. 

"She orders the head shaman to cast a spell on Yeon Woo to strike her with an unknown sickness. After dying, Yeon Woo is resurrected from her grave but loses her memories. "

Brain damage. Brain repair. And I stopped there, because it was too intense and horrifying for me. I'll return eventually. 

Coma.

"Mutant Xue Ling Qiao, who has been asleep for centuries, is awakened by the unlucky actress Tian Jing Zhi in a fatal car accident."

 Dissociative identity disorder, alternating between two personalities.

Amnesia.

Amnesia.

Amnesia.

Short-term Memory Loss, Amnesia. 

Scopophobia (a specific phobia characterized by an excessive and irrational fear of being stared at or watched by others in public or in private settings).

Mental Illness.

Amnesia after a car crash.

Amnesia (after near drowning).

Partial Amnesia.

Coma.

52 phobias and 35 allergies. Trypophobia (fear of holes; designer afraid of polka dots).

Coma. Amnesia. Opposite gender touch fear.

 "Opposite gender touch allergy."

Panic Disorder. OCD.

Amnesia.

Amnesia.

The ML looked familiar, and I racked my brain to remember what I'd seen him in. A quick check at mydramalist, and I discovered he was Ji Hyun Woo and recognized him as the lead in Young Lady and Gentleman. My heart sank. I'd been enjoying Queen In Hyun's Man until then. Not Mr. Amnesia!  Not Mr. Reverse Amnesia!  I never could finish YLaG after the ML's second bout of amnesia.  

Sure enough, poor Hyun Woo is similarly afflicted in QIHM. Dreaded amnesia strikes again.

Amnesia after surgery for a brain cloud cancer.

Amnesia.

Amnesia.

Amnesia.

Coma.

Sociophobia.