, better known by her pen name is a Japanese manga artist. She is married to fellow manga artist Tatsuneko, from whom he took the name of . She is a graduate of Mita Senior High School, Tokyo. She currently lives in Setagaya, Tokyo with her husband and daughter. Profile She began her career as a dōjinshi artist creating dōjinshi for works such as Saint Seiya, Captain Tsubasa and Maōden. She debuted in a commercial magazine with the original work Metal Heart (serialized in Kobunsha's Comic VAL from November 1986). After her debut, she continued to contribute on numerous dōjin works. However, the later disbanding of a dōjin circle, Yajō Teikoku, she had founded with Maki Chikura, led to her taking numerous breaks from her commercial works. Due to this, there were incomplete works penned by her during this period. During her years in middle school, she had been a fan of Masami Kurumada's manga series Ring ni Kakero, Fūma no Kojirō, Saint Seiya (all serialized in Weekly Shōnen Jump) and B't X (serialized in Monthly Shōnen Ace), sending Kurumada numerous fan letters asking to meet him, after which Kurumada finally agreed, inviting her to his workplace. When asked about her penname in an interview in the September 2006 issue of Puff, she responded that she had originally thought of making it Jun Kōga, but subsequently changed it to Yun Kōga. Among her noted works is Loveless, which has been serialized in Monthly Comic Zero Sum since 2002 and is ongoing, as well as her work . She has also worked as an illustrator on the noted literary magazine Faust. In 2007, she contributed the character designs to the Sunrise anime series, Mobile Suit Gundam 00. Manga works Unfinished/current works Loveless (LOVELESS) 2001– Tenshichō (天使庁) 2002–2007 Kill Me (KILL ME) 2003–2006 Satō-kun and Tanaka-san -The blood highschool (佐藤くんと田中さん -The blood highschool) 2007– Kurumada Suidoken Hero of Heroes (車田水滸伝 HERO OF HEROES) 2013– Completed works Riddle Story of Devil (Akuma no Riddle) 2012–2016 Earthian (アーシアン) 1987–1995 Saffron Zero Beat (サフラン・ゼロ・ビート) 1988–1991 Kodomotachi wa Yoru no Juunin (子供たちは夜の住人) 1988–1990 Rōrakaizā (ローラカイザー) 1988–1993 REN AI - Renai - (REN-AI 恋愛) 1989–1999 You're My Only Shinin' Star (You're My Only Shinin' Star 君はぼくの輝ける星) 1989–1990 Kiga Ichizoku (飢餓一族) 1992–1993 1992–2001 Yousei Jiken (妖精事件) 1993–1999 La Vie en Rose (LA VIE EN ROSE) 1995–1998 Crown of Love (恋愛-CROWN-) 1998–2002 Hapipuri (はぴぷり) 1999–2001 Earthian Gaiden Himitsu no