older_twin_sister_(muninshiki)
An original character by Muninshiki.
She is the older twin sister of her younger sister and has a shy-like personality. Like her sister, she also has a crush on Senpai.
She has yellow eyes, short red hair stylized with bangs, sidelocks, and a side braid held by a black hair ribbon, and has small breasts.
Her school uniform consists of a collared long sleeved white shirt, grey cardigan vest, black pleated skirt, black thighhighs, and brown loafers.