This is Hikaru Mishima, the heroine of Charu’s doujin series "Roshutsu Shoujo Yuugi"

Trigger: mishima_hikaru

Base: brown eyes, brown hair, short hair, bangs, hair between eyes

Summer Uniform: school uniform,  uniform, serafuku, darkblue sailor collar, white shirt, short sleeves, red neckerchief, darkblue skirt, pleated skirt, miniskirt, white legwear, loafers

Winter Uniform: school uniform, darkblue serafuku, darkblue sailor collar, long sleeves, red neckerchief, darkblue skirt, pleated skirt, miniskirt, white legwear, loafers