HAYA!!

is a Japanese seinen fishing manga by Tsutomu Kakuma with illustrations by Kazuhiro Murokawa. It was serialized in Shogakugan's "Weekly Young Sunday" magazine from 2001 to 2002 till its chapters were compiled into 4 tankobon volumes.

Plot Summary
Spring 2001, Kanto Plains, Sakura River of Sakura City, Gengoro Minamoto was visiting his grandparents until he fishes for dinner where he sees a girl who can amzingly fish out a big carp. Her name is Haya Minakawa, who is searching for her ichthyologist grandfather and stays at Gengoro's house as current residence.

Characters

 * Haya Minakawa (水上 葉弥): The main protagonist.
 * Gengoro Minamoto (源 玄五郎):