Character
Koumi'ishi子海石せんせい
- appearance
- 1
- appearance
- main roles
- 0
- main roles

Koumi'ishi at a glance
Koumi'ishi is a supporting character in Yokohama Kaidashi Kikou. Koumi'ishi is voiced by Ikuko Sugita in Japanese.
Also known as Sensei.
Koumi'ishi: quick facts
- Role
- Supporting character
- Also known as
- Sensei
- First appearance
- Yokohama Kaidashi Kikou (1998)
- Japanese name
- 子海石せんせい
- Japanese voice
Ikuko Sugita
Who is Koumi'ishi?
An elderly woman, Sensei is a doctor for both humans and androids. She was involved in the development of the A7 series of robots and hosted Director Alpha at her home, possibly as Director Alpha's owner. When she was younger, she rode motorcycles, raced hovercraft, and was Ojisan's senpai from school. Her surname is Koumi'ishi (å�海石, Koumi'ishi , lit. "child-sea-stone") but she is always addressed by just her title. Besides the pendant with her logo, both Alphas appear inherit her vision of "going and seeing".
Koumi'ishi in numbers
- Rank in Yokohama Kaidashi Kikou
- #5
- of 6 characters, by favourites
- Appearances
- 1
- 0 as a main character
- On screen
- 1998
- one year
Most-loved characters in Yokohama Kaidashi Kikou
AniList favourites
- Alpha Hatsuseno1,755
- Kokone Takatsu114
- Oji-san20
- Takahiro11
- Koumi'ishi7
- Untenshu0
Show as table
| Item | Favourites |
|---|---|
| Alpha Hatsuseno | 1,755 |
| Kokone Takatsu | 114 |
| Oji-san | 20 |
| Takahiro | 11 |
| Koumi'ishi | 7 |
| Untenshu | 0 |
Appearances
More characters from Yokohama Kaidashi Kikou
Koumi'ishi FAQ
What anime is Koumi'ishi from?
Koumi'ishi is a character in Yokohama Kaidashi Kikou.
Who voices Koumi'ishi?
Koumi'ishi is voiced by Ikuko Sugita in Japanese.
What else is Koumi'ishi called?
Koumi'ishi is also known as Sensei.
When did Koumi'ishi first appear?
Koumi'ishi first appeared in Yokohama Kaidashi Kikou (1998).
What is Koumi'ishi's Japanese name?
Koumi'ishi is written 子海石せんせい in Japanese.
Where can I watch Koumi'ishi?
Open the Yokohama Kaidashi Kikou page for licensed streaming links and the full episode list.




