Special Gift from the Sea

Amane's dad is a fisherman. Like always his dad brings home fish for dinner, one day Amane chest the bucket of fish and he finds Yashiro. Always wanted his own pet fish he takes out his home made wish bowl and he fills it up and places Yashiro inside. He teaches her how to talk and he brings her everywhere. One day his father finds out what Amane has been doing. That's when Yashiro sees how abusive his father is. So Amane runs away to his brothers friends house and it turns out their mom is a witch. The mom turns her human and Yashiro becomes like a normal teenager, Hanako brings her to school and she learns everything and he falls in love with her even more. But will he finally confess to her.. or will someone else..?