the island 's name is probably based on this : https://en.wikipedia.org/wiki/Ganry%C5%AB-jima .
It is famous for the duel between Miyamoto Musashi and Sasaki Kojirō.
The western half of the island is currently being used by Mitsubishi Heavy Industries as a storage facility .
New Japan Pro Wrestling held two matches on the island.
page 7 and page 10 : these 2 blonds 's faces look exactly the same .
page 16 : the old fart asks "do you even eat beef" because many Hindus, particularly Brahmins, are vegetarian and strictly abstaining from eating meat. Many of those who do eat meat abstain from the consumption of beef, especially in the north and west India, as the cow holds a sacred place in Hinduism. HOLY COW .
too bad that the anime cuts this beach episode / swim-suit episode / filler episode , because of budget reason or something .