An original character by Miyamoto Issa. She is one of the main female protagonists in their trilogy doujinshi, Heart Mark Oome.
She is a friend of Yuu's who likes anime and manga, she also learns that his sister is an ero-manga artist whom she's a fan of. She soon has sex with Yuu, and joins in threesomes with him and his sister.
Akita has dark skin, short blonde hair, brown eyes, and large breasts.