Kamizono Academy is a school with an elementary, middle, and high school all within the same campus, and Ayumi is a new student at this enormous school. She is shy and has difficulty making friends, but when she meets wild and outgoing Torako, school life gets interesting as Torako begins to befriend various students within their class. (Source: MU)

Following the merge of FlexComix Blood into Comic Meteor in March 2012, Hyakko was put on hiatus. While one new chapter was released on Comic Meteor and Volume 7 was published in January 2013, no additional chapters have been released since its suspension.