Nao Ishiwatari

Nao Ishiwatari (石渡 なお, Ishiwatari Nao) is the childhood friend of Kei Kuramoto and the classmate of Makoto Kowata.

Personality
Nao is a kind but sometimes self-judging girl who is often classified as "Kei's girlfriend" by Akane Kowata.

Makoto Kowata
Nao really admires Makoto that she even thinks Kei Kuramoto and Makoto would make a great couple, despite being related.

Etymology

 * Nao's surname Ishiwatari means "stone" (石) (ishi) and "transit, ford, ferry, cross, import, deliver, diameter, migrate" (渡) (watari).

Trivia

 * Nao's parents also own a liquor store, which she is seen working at.
 * Nao likes being single, without any guys to annoy her.