Yoshimasa Akamatsu

is a writer who worked on several spin-off media attached to Kamen Rider Build, supervised by head writer Shogo Muto.
==Filmography==
*Kamen Rider Build: Birth! KumaTV!! VS Kamen Rider Grease!
*Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~
**Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~: First Chapter
**Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~: Next Chapter
**Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~: Final Chapter
*ROGUE
**Prologue: NIGHT ROGUE RISES
**Second Chapter: DARK NIGHT FALL
**Final Chapter: KAMEN RIDER ROGUE
==External links==
Category:Writers