Rui Chinen
A local children who is regular guest at Gama-Gama Aquarium, even has an Annual Pass. He has somehow a rival relationship with Kuuya, in terms about fish knowledge. He also has a crush with Maho (Kai's sister) (Source: Episode 7 Aquatope)
A local children who is regular guest at Gama-Gama Aquarium, even has an Annual Pass. He has somehow a rival relationship with Kuuya, in terms about fish knowledge. He also has a crush with Maho (Kai's sister) (Source: Episode 7 Aquatope)
