Inves warrior turned Kamen Rider, loyal to Gaim and skilled in sword combat.
Kazumi Sawatari is Kamen Rider Grease, the one Rider whose abilities are unaffected by the enemy's powers. To defeat the new threat and rescue Misora, he must create a new item, but doing so is said to require the lives of his friends, the Three Crows. The decision rests with him.
Wataru's father and a future Kamen Rider Ixa user. Initially mistaken for a criminal, he teams up with his son in 1986 to rescue hostages. He later aids the present-day battle by breaking Arc's mind control over Wataru and personally destroys the Mummy Legendorga despite sustaining heavy damage.
An unaffected ally who covers Sento's escape before being captured. After being freed, he rejoins the battle alongside Rouge to defeat the corrupt governors, embodying the knights' dedication to protecting those who build the future.
Otoya is seen in 1986 while Kazuma is interviewing him during an investigation. His appearance helps provide the meeting that allows Kazuya to see Kazuma and gain emotional closure concerning his father's death and the reasons behind his pursuit of Seiya Kuroki.
Grounded fighter focusing on endurance and persistence throughout extended battles.
Supporting student exploring abandoned school and spirit world connections
Voice interface announcing Grease transformations and combat states.
Ken is Hiromi's online friend, who invites her to visit him on Ishigaki Island. His invitation gives Hiromi a reason to make the journey from Tokyo, where she hopes to meet him while also searching for her mother.
Kouhei Takeda has 43 screen credits in a career dating back to 2003. Their work spans 4 cinematic universes — most prominently Kamen Rider Heisei Generations Series with 2 titles. Signature works include My Perfect Evening Drink, Kamen Rider Build NEW WORLD: Kamen Rider Grease, Beyond the Frame. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 4 universes