Mariko Kumakura

Mariko Kumakura (熊倉 真理子 Kumakura Mariko), also known as "Mari"/"Mari-chan"/sometimes "Mari-Chin" and "Kumakura" (by most people), is a character from Girl Friends, one of the protagonists of the manga, as well as the love interest of Akiko "Akko" Oohashi.