Chiyu Haebaru

A staff from Tingaara Aquarium, an aquarium that is scheduled to open in the city center. She was assigned to train at Gamagama Aquarium. Being a young adult struggling to land a job, she thinks that training at Gamagama Aquarium doesn't actually train anything, remaining ignorant of the special effects Gamagama has on its visitors. She eventually decides to move to another aquarium due to her dissatisfaction with Gamagama's training. It is revealed that she's desperate for a job because she's raising her son as a single mother.