Cover image not available
Translated from the Japanese.
Translators and adaptors vary between volumes.
"First published in Japan in 2005 by Hakusensha Inc."--Vol. 1, t.p. verso.
"Printed manga-style in the authentic Japanese right-to-left format"--Colophon.
"Tokyopop age rating: T, teen, age 13+, may include: mild sexuality, aggression, moderate language"--P. [4] of cover.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Happy cafe by Kou Matsuzuki. ISBN 9781427817396. Published by Tokyopop in 2010. Publication and catalogue information, links to buy online and reader comments.