Champion Red
Yoshitomi's second "Blue Drop" manga, titled "Blue Drop: Tenshi no Bokura", was serialized in the magazine "Champion Red" (published by Akita Shoten) between February 19, 2007 and January 19, 2008. Subsequently, a two-chapter story called (also by Yoshitomi) was published in "Champion Red"'s sister magazine "Champion Red Ichigo"; the first chapter being released on June 5, 2007 and the second one on October 5, 2007. The first part was later included as a special chapter in the first volume of "Blue Drop: Tenshi no Bokura", which was released on September 20, 2007. The second part was included in the second (and last) volume of "Blue Drop: Tenshi no Bokura", released on March 19, 2008.