Here are the first 11 volumes of this manga series, Tsuredure Children. Please continue to seed after you're finished.
From Kodansha: This manga is for those of you who just can't seem to say, "I love you." Toshiya Wakabayashi's acclaimed school-romance is jam-packed with frustration, embarrassment, and awkwardness! Heavily revised and with never-before-seen chapters, this omnibus edition of the popular 4-panel web comic offers an experience you can't find in the online version!