is a
Japanese label of Omega Vision Inc. a publisher of
bishojo and
eroge visual novel games. Its name is a reference to the
navel orange. The company consist
Aoi Nishimata and
Suzuhira Hiro as the character designer. In 2006, Hiro announced her departure, making Ne~Pon x Rai~Pon became her last game in Navel. In 2012, she's back and once again collaborating with Aoi Nishimata in Navel's 10th anniversary game Tsuki ni Yoriso Otome no Saho.