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?
Sentence (from "ChuChu (magazine)"): On October 26, 2009 Shogakukan announced that it canceled ChuChu as well as two other manga magazines.
Relevant evidence: No