Koishikawa Miki (小石川 光希) - Marmalade Boy (ママレード・ボーイ)

source_anime, 1990s (style), retro artstyle, mikikoishikawa, 1girl, brown eyes, brown hair, ponytail, hair ribbon, shirt, pink shirt, long sleeves, overalls, portrait, smile, small breasts, anime screencap