abukuma_saki
Team Hadar's trainer (Umamusume) in Umamusume: Star Blossom. Likely based on the real life horse trainer, Masaaki Okubo.
See Also
* Team Hadar members
** Mejiro Palmer (Umamusume)
** Narita Brian (Umamusume)
** Narita Taishin (Umamusume)
* Female Trainer (Umamusume)