Toshio Kotegawa
古手川登志夫
- Gender
- Male
- Age
- —
- Birthday
- —
- Blood type
- —
About
The owner of the diving shop Grand Blue and Iori's uncle. Toshio seems to have a jovial personality and is quite laid back, as he doesn't seem to mind all the havoc that the club members wreck when drinking and partying.
