Nogizaka Haruka no Himitsu
English name: Haruka Nogizaka's Secret
Genres: Comedy, Romance
Type: TV, Episodes: 12
Aired: Jul 3, 2008 to Sep 25, 2008
Studio: Diomedéa
Source: Light novel
Rating: PG-13 - Teens 13 or older
Synopsis:
Haruka Nogizaka is the most popular student in the prestigious Hakujo Academy, possessing unparalleled beauty, talent, and influence. Unbeknownst to her fellow students, however, she keeps an embarrassing secret of being an otaku—something that can potentially destroy her elegant reputation.

Unfortunately for Haruka, an encounter with the timid Yuuto Ayase in the school library spells the end of her well-kept secret. However, the two reach a mutual agreement with Yuuto promising to keep Haruka's secret, sparking an unexpected friendship between them. Nonetheless, with Haruka's status as the school celebrity and her friendly relationship with Yuuto, both of them are bound to be the subject of gossip everywhere they go!