Mayo is the protagonist in the series. She is a sixteen-year-old girl who attends Yotsubadai High School and is a member of the Basketball Club.
When she was in the eighth grade, she saw Taka working in the ice cream parlor and fell in love instantly. Taka is unaware of her feelings towards him. He only had eyes for Miaka, therefore Mayo's first true love was never realized. As her life falls apart around her - Taka's marriage to Miaka and the impending divorce of her parents - Mayo enters into "The Universe of the Four Gods" to attain a storybook ending with Taka. (from Wikipedia)