ねーねー

The protagonist, Ichito's cousin.
Deceased.
The only daughter of the former king of the Ryukyu Kingdom, she was a Ryukyu princess at the time, but has now passed away.

She would often invite Ichito, who was an elementary school student at the time, to play.
That was the trigger for Ichito's hobby to become fishing.
She was also Ichito's first love.