|Alias||Monk Idol's Event Producer|
|Manga||Danganronpa Gaiden: Killer Killer|
Yoshihiko Hayashi (林 吉彦 Hayashi Yoshihiko) is a minor character featured in Danganronpa Gaiden: Killer Killer.
Yoshihiko is the Monk Idol's event producer and a suspect of the mass murder in chapter 1.
Yoshihiko is an older guy with light colored short hair, split in the middle. He wears glasses and a white shirt with a sweater tied on his shoulders.
Chapter 1 - Murder for Murder
Yoshihiko first appeared in front of an abandoned temple, welcoming the special investigators Misaki Asano and Takumi Hijirihara who are on duty to oversee the Monk Idol's concert security. Yoshihiko reports that an occult group has its increasing members spying on Monk Idol's activity.
Sometimes after the Asura statues used as stage background revealed as decorated corpses, Yoshihiko is one of the people who were suspected. In the end, Misaki met a consclusion where Yoshihiko and the other suspects can't be the culprit, which makes him relieved.
|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|