Question: Miho Obana, is a shōjo manga artist born in Tokyo, Japan, her best-known work was "Kodoma no Omocha", also known as "Kodocha", which was published in Ribon, a monthly Japanese shōjo manga magazine published by who?

Context paragraphs:
LaLa DX: LaLa DX is a Japanese shōjo manga magazine published by Hakusensha.  It was first published on July 9, 1983 as a supplement magazine to "LaLa" in which it later became the sister magazine to LaLa, another of Hakusensha's shōjo manga magazines.  The magazine was originally published as a quarterly, but now is released bi-monthly on the tenth of odd-numbered months.

Ribon: Ribon (りぼん ) is a monthly Japanese shōjo manga magazine published by Shueisha.  First issued in August 1955, its rivals are "Nakayoshi" and "Ciao".  Its target audience is girls roughly 9–13 years old.  In 2009, the magazine's circulation was 274,167.  The circulation in 2010 was down to 243,334.

Betsucomi: Betsucomi (ベツコミ ) , formerly known as "Bessatsu Shōjo Comic" (i.e. special issue ("bessatsu") of the "Shōjo Comic" magazine), is a monthly Japanese shōjo manga magazine published by Shogakukan, originally aimed at young girls, but increasingly marketed to older teens and young women.  It is released on the 13th of each month.  Its competitors are "Betsuma", "Princess" and "LaLa".

Miho Obana: Miho Obana (小花 美穂 , Obana Miho , born April 26, 1970) is a shōjo manga artist born in Tokyo, Japan.  Her best-known work was "Kodoma 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".

ChuChu (magazine): ChuChu is a Japanese shōjo manga magazine published by Shogakukan for early teen girls (about 11–14 years old).  ChuChu became a monthly published shōjo manga magazine as a separation from Ciao in December 2005.  On October 26, 2009 Shogakukan announced that it canceled ChuChu as well as two other manga magazines.  It ended on December 28, 2009.

Aya Kanno: Aya Kanno (菅野文 , Kanno Aya , born 30 January 1980 in Tokyo, Japan) is a Japanese shōjo manga artist.  She is the former assistant of manga artist Masashi Asaki of Psychometrer Eiji fame.  Her debut was in the January 2001 issue of "Hana to Yume" with "Soul Rescue".  Thus far, her work has only been serialized in Hakusensha's shōjo manga anthologies: "Hana to Yume", "The Hana to Yume", "Hana to Yume Plus", and now primarily in "Bessatsu Hana to Yume", in which her latest work, "Otomen", is currently running.  Also, she has completed "Kokoro ni Hana wo".

Yumi Tamura: Yumi Tamura (田村由美 , Tamura Yumi , born September 5th in Wakayama Prefecture, Japan) is a Japanese manga artist.  Her debut short story, "Ore-tachi no Zettai Jikan" ("This is the Time for Us"), was published in 1983 in "Bessatsu Shōjo Comic" and received the 1983 Shogakukan Grand Prize for new artists.  Since then, she has completed more than 50 compiled volumes of short stories and continuing series.  Popular works such as "Tomoe ga Yuku!"  ("There goes Tomoe") exemplify her work, but she made her reputation with the long-running shōjo action/adventure series "Basara", for which she won the 1993 Shogakukan Manga Award for shōjo manga.  Her latest series, "7 Seeds", for which she won a second Shogakukan Manga Award for shōjo manga in 2003, is currently running in the anthology magazine "Flowers" in Japan.  "Chicago" was her first series to be published in North America.

Mihona Fujii: Mihona Fujii (藤井みほな , Fujii Mihona , born November 12, 1974 in Tokyo) is a Japanese shōjo manga artist.  She is best known for her manga "GALS! ", which was published in "Ribon" magazine, and adapted into an anime television series under the name "Super GALS!  Kotobuki Ran".  Her debut work was "Mujaki na mama de", published in the 1990 autumn issue of "Ribon Original".  Her latest series, "Tokyo Angels" runs in "Margaret".

Ribon Original: Ribon Original was a shōjo manga magazine published by Shueisha.  It was a sister magazine of "Ribon", and was published from 1981 until 2006.  New and up-and-coming Ribon manga artists often had their first short stories published in this magazine.  Established "Ribon" manga artists who had a decrease in popularity also had short stories or short series in "Ribon Original", and side stories to series currently running in Ribon were also in this magazine.  Yonkoma manga that are published in Ribon also concurrently ran in "Ribon Original".

Kodocha: Kodomo no Omocha (Japanese: こどものおもちゃ , lit.  "Child's Toy") , also known as Kodocha for short, is a manga series by Miho Obana.  The series was adapted as an OVA by J.C. Staff and released on December 16, 1995 by Shueisha under their Ribon Video label.  An anime television series was created by Studio Gallop and NAS and broadcast on TV Tokyo every Friday from April 5, 1996 to March 27, 1998.

Supporting paragraphs: Miho Obana Ribon
Answer: Shueisha