is a shōjo manga artist born in Tokyo, Japan. Her best-known work was Kodomo no Omocha, also known as Kodocha, which was published in Ribon magazine, and won the Kodansha Manga Award for shōjo in 1998. Other works include Partner, Andante and Honey Bitter. Biography Obana began her manga career as an assistant to Momoko Sakura, the creator of Chibi Maruko-chan. In 1990 she debuted with a one-shot manga, Mado no Mukō, which was published in the autumn 1990 issue of Ribon Bikkuri. Later stories would appear in Ribon Original and Ribon magazines. In 1994, she authored Kodomo no Omocha, a shojo manga series about a child actress who interacts with an aloof elementary school boy. The series won the Kodansha Manga Award for shojo in 1998, and was adapted to an anime television series Kodocha that ran for 102 episodes. Within the TV series, there is a character named after her. The manga ran until 1998, totaling 10 tankōbon volumes. In 1999, she wrote a one-shot called Mizu no Yakata which focuses on the drama story that characters Sana and Naozumi of Kodomo no Omocha starred in. In 2015, Kodocha was adapted into a stage play. She also released a Kodocha one-shot for the 60th anniversary of Ribon. In 1999, she authored Partner, a drama series about a two pairs of twins who are classmates and friends when one of them is killed by a drunk driver. Partner was noted for its dark, mature, and disturbing tone, and ran through 2000 in Ribon, and compiled into 3 tankōbon volumes. In 2001, she worked on Andante, a story about a girl who falls in love with her stepbrother but a family friend whose parents have died comes to live with them. It was serialized in Ribon through 2002, and compiled into 3 tankōbon volumes. In 2003, she worked on Pochi, which is about a junior high school girl who is stressed about life and her classmate whose mother treats him as a pet dog. In 2004, Obana started a josei manga called Honey Bitter, about a girl who was mistreated by her ex-boyfriend but then has to deal with him as a coworker in their aunt's detective agency. The manga was serialized in Cookie from February 2004 to December 2018, and occasionally appeared in the Oricon charts for top manga. She also wrote some manga for the josei magazine Chorus.