Naruto's new father is a Merman

A lone merman of the sea, forever alone in the world of the sea, never growing old to die. He was an experiment with the altered crossing of the DNA between fish and humans. Believed that the experiment was a failure, he was presumed to dead and was dumped into the ocean, in forever solitude.

A lone boy walking the roads of the village, he was born in, grew up without love but knew only pain and sadness. A three-year-old he was hurt by the glares and spiteful looks of the people of his village. Tired he ran away from his home filled with nothing but pain, and came across a man with a fish tale.