A male character from Kagerou Project. He is the father of Tateyama Ayano, husband of Tateyama Ayaka, and the homeroom teacher of Kisaragi Momo. He formerly taught Kokonose Haruka and Enomoto Takane in a class for physically ill students.
Kenjirou has brown, parted short hair, black eyes and a stubble. He is usually seen wearing black-framed under-rim rectangular glasses, a lab coat, and a striped collared red shirt.