- Pegasus Bookstore is going through hard times due to competition from internet bookstores. Kitamura Aki and Nishioka Riko are employees at Pegasus Bookstore. Aki is 23 years old. She has a strong will and freewheeling personality. She places her job and dreams above marriage. Riko is a 40-year-old single woman. She is the vice-manager at the bookstore. She has pride in her work. The two women have completely different personalities.