Ayuchi Kouji
He is 29 years old. [Spoiler] Small hints are given here and there, that Ayuchi may be the culprit for a murder that occurred 13 years prior to present day in the manga. [/Spoiler]
He is 29 years old. [Spoiler] Small hints are given here and there, that Ayuchi may be the culprit for a murder that occurred 13 years prior to present day in the manga. [/Spoiler]