An original character by Ichiki 1.
A friend of Tsukimi Yoruha. She is often referred to by the author as "black-hair-twintails-chan". Her name has not yet been divulged. Ichiki 1 has stated on Twitter that these two girls are not sisters.
She has Pink Eyes (sometimes drawn as purple), Large Breasts, and long Black Hair stylized in Twintails with blunt Bangs. She does not have a default outfit, but often wears red Hair Ribbons, a Black Choker, a Black Tank Top, black Short Shorts held up by a White Belt, and a Wristband.