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|Died||early July, 1 ASBI|
|Manga Debut||Chapter 92|
Kotarou (コタロウ, Kotarō) was a modified human and one of the experimentals of Akihiro Kanou. After Kanou had finished his experiments on him, he was given to Maiko Abe. During the search for Maiko Abe, he was killed by Shuu Tsukiyama.