Sahara is an acquaintance of Kaiji who persuades him to participate in the gambling event at Starside Hotel after Kaiji initially hesitates. His encouragement helps draw Kaiji into the dangerous contest, where Kaiji eventually emerges as the sole survivor and becomes more determined to challenge the system behind the games.
Investigator collaborating on the crossover supernatural case.
Competent detective contributing to investigations and station operations.
Saisuke Katagiri is a household member who has spent years away in Edo and is reported to be experiencing financial difficulties. His long-awaited return closes the story, as the household welcomes him home, though the final interrupted exchange leaves the meaning of his reunion unresolved.
Furuhata's childhood friend and rival from his school days.
Professional shogi player and rival who respects Rei's talent.
A professional shogi player whose presence reflects the competitive pressures surrounding the main story.
Masahiro Komoto has 95 screen credits in a career dating back to 1994. Their work spans 9 cinematic universes — most prominently Bayside Shakedown Collection with 4 titles. Signature works include The Takatsu River, After the Flowers, The Harbor Lights. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 9 universes
Related entry on Wikidata (Q10855296), public domain (CC0).
