|Manga||Danganronpa Gaiden: Killer Killer|
Ikumi is a neurologist works in Ongo Hospital and was a suspect in Hana Niyama's murder case in chapter 2.
Ikumi has medium length black hair, she wears a dark colored shirt buttoned all the way up and a doctors coat.
Danganronpa Gaiden: Killer Killer
Chapter 2 - Symbiotic Hospital
Ikumi was questioned by Misaki Asano shortly after Hana's body was found in her room. She proudly told Misaki that she has a brain fetish. Ikumi was found innocent after the true culprit was found out and murdered by the Killer Killer.
|Future Foundation's 6th Division||Juzo Sakakura • Ikue Dogami • Takumi Hijirihara • Misaki Asano • Mekuru Katsuragi|
|Future Foundation||Kyosuke Munakata • Kyoko Kirigiri • Ruruka Ando • Sonosuke Izayoi • Makoto Naegi • Byakuya Togami • Yasuhiro Hagakure • Aoi Asahina • Toko Fukawa • Ultimate Make-up Artist|
|Serial Killers||Momomichi Ito • Rei Shimizu • Eiichiro Saiyama • Ted Chikatilo • Kenji Tsuruhashi • Mimiko Tomizawa • Shuji Fujigawa|
|Ultimate Despair||Junko Enoshima • Mukuro Ikusaba|
|Minor Characters||Yujiro Ida • Yoshihiko Hayashi • Koichi Ogawa • Osamu Yamada • Hana Niyama • Kozumitsu Inaka • Ikumi Gozo • Shinya Ikemoto • Kinari Kunugida • Kanta Tsunada • Chusuke Oyama • Sakuma Fujii|