Mermaid Saga tells the tale of Yuta, an immortal who has been alive for five hundred years, who is wandering across Japan searching for a cure and meeting others whose lives have also been ruined ...

Takahashi's first installment to the Mermaid Saga. Such as Mana's apparent ignorance and rudeness; for example, at one point she asks Yuta "What is a cat?" While she seems stupid, Mana's ignorance ...