怪盗X 怪盗サイ Phantom_Thief_Sai X_(Neuro)
An antagonist in [[Majin Tantei Nougami Neuro]] that goes by "X" (pronounced "Sai"), and known as "Kaitou Sai" (meaning "Phantom Thief Sai").

This character was born female, but uses male pronouns and has the ability to transform into multiple forms including initially that of a young boy with [[grey hair|silver hair]], later they are seen in their original true form as a girl with [[long hair|long]] [[black hair]]. They are an altered [[clone]] of [[Sicks (Neuro)|]].

h4. External links

* "Nougami Neuro Wiki: X":[https://nogamineuro.fandom.com/wiki/X]
kaitou sai