A character from the manga Air Gear by Oogure Ito.
She is in Team Sleeping Forest (眠りの森, Nemuri no Mori), and is later dubbed Thorn Queen, of the Sonia Road.
Her teammates (who are also her sisters) are Noyamano Rika, Noyamano Mikan, Noyamano Shiraume.
She developed a crush on Ikki which gradually turned into love, though she dare not confront him about it. While Ikki is oblivious to it.
During Ikki's AT battles, Ringo created an alter-ego called Croissant Mask- to help out Team Kogarasumaru.