Rio Ueda

Rio Ueda is a third year (senior) who used to live in Tokyo.

Appearance
Rio has a "Madonna presence" at school.

She is often seen wearing mascara and lipgloss.

Plot
After confessing to Kakeru Nanase, an underclassman who was a year younger than her, she became his girlfriend and talked to Kakeru more frequently, often hugging his arm and inviting him to cafes.

She is suspicious of Naho Takamiya.

Later on, she tries to win over Kakeru again, but fails.