Akiho Kōsaka

Kōsaka Akiho (香坂 秋穂) is the titular main female protagonist of the series. She is a beautiful and aloof-looking high school second-year model student who is a popular girl in her class and the girlfriend of Haruka Shinozaki.

Personality
Akiho has absolutely no experience with intimate relationships and thus tends to over analyze this topic in her nervousness. She has the habit of casually approaching sexual topics, a trait which was ingrained into her by her mother at a young age.

Etymology

 * The name Akiho means "autumn" (秋) (aki) and "grain" (穂) (ho).
 * Akiho's surname Kōsaka means "fragrance, fragrant" (香) (ko) and "slope" (坂) (saka).

Trivia

 * Akiho's three sizes are B90 (F cup) W60 H88.
 * She has the same cup size as Mrs. Shinozaki.