happy birthday (artist), kusugawa sasara, to heart (series), to heart 2, striped, 00s, 1girl, :o, black thighhighs, blonde hair, blue eyes, blush, bow, embarrassed, female focus, hair intakes, hair ribbon, hairband, long hair, long sleeves, midriff, no pants, open mouth, panties, pink bow, pink panties, polka dot, ribbon, school uniform, serafuku, sitting, solo, thighhighs, underwear, very long hair, white hair