Appearances
- The Silver (mentioned only)
- Flower, Sun, and Rain (mentioned only)
- SAMURAI CHAMPLOO SiDeTRACKED (mentioned only)
- Flower Sun and Rain: MURDER AND MYSTERY IN PARADISE (mentioned only)
- NO MORE HEROES (mentioned only)
- NO MORE HEROES 英雄たちの楽園 (mentioned only)
- NO MORE HEROES: HEROES’ PARADISE (mentioned only)
- The SILVERCASE (mentioned only)
Nomenclature
- Europe (NO MORE HEROES, NO MORE HEROES: HEROES’ PARADISE)
- European (SAMURAI CHAMPLOO SiDeTRACKED)
- Europeans (Flower Sun and Rain: MURDER AND MYSTERY IN PARADISE)