長鴻出版社
Written by Kaho Miyasaka, the first chapter of the "Kare First Love" manga premiered in the March 2002 issue of the bi-monthly magazine "Shōjo Comic". New chapters continued running until the August 2004 issue, when the series concluded. The series was published in 10 "tankōbon" volumes by Shogakukan between July 26, 2002 and December 20, 2004. The fourth and seventh volumes were made available in regular and special editions, with the fourth volume special edition including a postcard, and the seventh including a DVD containing a digital manga. The manga is licensed in North America by Viz Media which released the manga between September 7, 2004 and December 12, 2006. The manga is licensed in France by Panini Comics under its Génération Comics imprint, in Spain by Panini Comics, in Germany by Egmont Manga &amp; Anime, in Denmark by Mangismo Danmark, in Sweden by Mangismo Sverige, and in Taiwan by Ever Glory Publishing.