A "genius" idol. With both a cheerful and sociable personality, she is also the Academy's Idol. In addition, she reads Taketo's pornographic novels pleasurably.

Spoiler

Utae harbors feelings for Taketo ever since he helped her overcome a problem. She tries to go on date with Taketo but failed because of her shyness that people might find out. (Wikipedia)

Source: Official HP: http://kadokawa-anime.jp/R-15/character/