Kayama Seiichi
香山 誠一
| Kayama Seiichi香山 誠一 | |
| Aliases | Chase Buchanan (English release) |
| Hair | Balding, Grey |
| Body | Adult |
| Personality | Kansai-ben, Washi |
| Role | Husband |
| Visual novels | Side character - Kamaitachi no Yoru Side character - Kamaitachi no Yoru 2 ~Kangokujima no Warabe Uta~ |
| Voiced by | Ookawa Tooru (PSP) Ueda Youji (Rinne Saisei) |
DescriptionA middle-aged man from Osaka (Texas) who is a company president. | |