Symptom (症状, Shōjō) is a departure from normal function or feeling which is noticed by a patient, reflecting the presence of an unusual state, or of a disease.

Causes and EffectsEdit

The cause of Symptom is the person being cloned from a baby by using CAP Technology. It's explained by Marble and Ataru Kashiwagi, when the people infected by the symptom, it will cause their personality being changed. The Symptom's stage will also evolved as being damaged their head or mind. It has a three stages which included:

First StageEdit

The first stage is neither affect the person nor have any changes.

Second StageEdit


Koyori, as showed during second stage of the "Symptom"

The Second Stage of the symptom will caused a person personality changes, which will become somewhat brutal and disrespectful towards people. They are also shows to not interests at do something the most people normally does, and shows very interests at doing bad/dangerous things. Despite in the second stage, their personality still can be change a little bit as the time goes, for example like Yuuma who showed very disrespectful towards people during the beginning of his Second Stage but later he starts to respect people in some way.

Third StageEdit


Yuuma during his third stage of Symptom

In the Third Stage of symptom, people will started gone berserk as they loves killing which it's way more violent than the Second Stage does. People will not care about life and also don't trust anyone other than him/herself, especially against the person where it's cloned from (For example, Koyori Kanda wants to kill Yuri Kashiwagi after went berserked). The only way to heal Third Stage was both original and clone re-fused together as one.


The Characters who is known to be inherited "Symptom" included:


  • The "symptom" will only inherited by the person who's cloned from a baby, due to the clones have a weak minds that can be easily damaged with a heavy mind attack and head injures.


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