Jônetsu tairiku Koharu Sugawara (1998– ) Online
- Original Title :
- Koharu Sugawara
- Genre :
- TV Episode / Documentary
- Year :
- 1998–
- Cast :
- Hitoshi Kubota,Koharu Sugawara
- Type :
- TV Episode
- Time :
- 30min
- Rating :
- 6.2/10
| Episode credited cast: | |||
 | Hitoshi Kubota | - | Narration (voice) |
| Rest of cast listed alphabetically: | |||
| Koharu Sugawara | - | Herself |