Translated from the Japanese.
"Yaoi manga"--Cover.
"Native manga, read right to left"--Back cover.
"Originally published in Japan in 2007 by Frontier Works Inc."--Vol. 1, t.p. verso.
Pure heart by Hyouta Fujiyama. ISBN 9781569700273. Published by Juné in 2009. Publication and catalogue information, links to buy online and reader comments.