Kazuki Kosuda

Kazuki Kosuda (小須田 香月 Kosuda Kazuki) is a college student and the older sister of Takashi Kosuda who lives with him at home.

Kazuki is voiced by Mamiko Noto (Japanese) and Martha Harms (English).

Appearance
Kazuki is a beautiful woman (as said by Yamada) with short dark red hair, brown eyes, a slender yet curvy figure and very large breasts.

Personality
Although Kazuki likes to tease Takashi Kosuda, she still deeply cares about him and she is not shy as she often walks around the house barely dressed despite her brother's presence, much to his eyes objection. She recognizes Yamada has interest in Takashi early on when Yamada visits and helps them with advice throughout the series. She seems to be athletic as she has been seen lifting weights and she has even rode a motorcycle.

Trivia

 * Her name Kazuki means "fragrance" (香) (ka) and "moon" (月) (zuki).
 * Kazuki is 21- 23 years old.