شخصية
Male · العمر غير معروف
Yakumo is an ancient magic "Ninjutsu" user. He is Tatsuya's martial arts master.
The Irregular at Magic High School
Mahouka Koukou no Rettousei: Kyuukousen-hen
The Irregular At Magic High School: Visitor Arc
The Irregular at Magic High School: Visitor Arc
Mahouka Koukou no Rettousei: Yonkoma-hen