Kamen Rider Season 27 Episode 21
Chase the Mystery!
Emu and Hiiro learned from Poppy that Kuroto was the one who had suggested Emu to CR. Meanwhile, a police detective is investigating the Zero Day case, causing him to interrogate Kuroto's father, Masamune. During the investigation, he gets infected by the Game Illness. In order to save him, Emu confronts Masamune.
Guest Stars
Shohei Uno
Tsukuru Koboshi
Tarō Suwa
Heiji Uesugi
Hiroyuki Takami
Masamune Dan
Otoya Kawano
Kaiden Bugster (voice)
Kazu Saeba
Prison guard