Toshio Kotegawa
古手川登志夫
Male
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.
古手川登志夫
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.
