Inuyama Tsumugi (犬山 つむぎ) is one of the heroines in Dokusen.

https://vndb.org/v4256

inuyama_tsumugi, 1girl, red eyes, pink eyes, pink hair, long hair, ponytail, hair bow, hair ribbon, yellow ribbon, school uniform, long sleeves, wrist cuffs, white capelet, capelet, red bowtie, bowtie, red skirt, pleated skirt, miniskirt