Hyakko

Hyakko
Cover art of the first tankōbon featuring main characters Suzume Saotome, Ayumi Nonomura, Torako Kageyama, and Tatsuki Iizuka
ヒャッコ
Genre	Comedy, Slice of life story
Manga
Written by	Haruaki Katō
Published by	Flex Comix
Demographic	Shōnen
Magazine	FlexComix Blood
Original run	January 16, 2007 – present
Volumes	6
Anime television series
Directed by	Michio Fukuda
Written by	Yoshihiko Tomizawa
Studio	Nippon Animation
Licensed by	NA Right Stuf Inc.
Original network	TV Aichi, TV Osaka, TV Tokyo
Original run	October 1, 2008 – December 24, 2008
Episodes	13
Original video animation
Studio	Nippon Animation
Licensed by	NA Right Stuf Inc.
Released	October 17, 2009
Runtime	10 minutes

Hyakko (ヒャッコ^?) is a Japanese manga created by Haruaki Katō. It started serialization on Flex Comix's free web comic FlexComix Blood on January 16, 2007. An anime adaptation produced by Nippon Animation was first aired in October 2008 in Japan. An OVA was released on October 17, 2009.

Hyakko takes place in the high school division of Kamizono Academy (上園学園, Kamizono Gakuen^?), a fictional gigantic private institution located in Kyūshū, Japan, in which the motto is "to bring up talents of students in all departments and fields". Its storyline focuses on the comedic school life of the four main heroines, Torako Kageyama, Ayumi Nonomura, Tatsuki Iizuka, and Suzume Saotome. As the plot progresses, Torako and her friends gradually begin to learn and interact with their classmates in Class 1-6, in which each student has a unique and extraordinary personality.

Each name of the four main heroines contains a kanji of the Four Symbols in the Chinese constellation.

The following characters are classmates of the four main heroines:

Hyakko began as a manga series written and drawn by Haruaki Katō and began its serialization in Flex Comix Blood. Currently, six volumes have been published by Flex Comix in Japan. As of March 20, 2012, the series is currently on hiatus.