彼方の人魚姫

She is the caretaker and best friend of Aina, who arrived on land due to being "tainted".Originally, she had a strong re...

She is a former mermaid princess who was forced to live on land after becoming "tainted".She is also a member of the mer...

An old friend of the protagonist who is one year younger than him.She may be shy and timid, but in reality she is more s...

Younger brother of Utsumi Hinowa and the protagonist's kouhai.He is a cheerful boy who belongs to the baseball club.Howe...

A long-time acquaintance of the protagonists, and a self-proclaimed "reliable onee-chan".She is also a teacher at the sc...

She is the younger sister of and successor to Aina, the current mermaid princess.On the surface, she is a bit of a brat,...

Nicknamed "Young Lady", she and the protagonist are friends of the same age.Her family is as famous as the Utsumi family...