According to the obi strip found on the 12th volume of the manga, an anime adaptation of Honna Wakou’s ecchi comedy series, 「Nozoki Ana」, has been green-lit for production.
The first volume of the manga series made its debut on November 30th, 2009. It began serialization in Mobile Man magazine on January 23rd of the same year.
Tatsuhiko Kido, a vocational/technical school student who’s staying in his school’s dorms, one day discovers a hole in the wall of his apartment room. He peeks through the hole, but when he does so, he sees his neighbor, Ikuno Emiru, masturbating and he’s caught peeking! However, when he goes over to inform her of the hole in the wall, she shuts the door in his face. Luckily for him, he’s able to stop the door from closing and pursues after her, but, in his haste, he trips and lands right on top of her. As luck would have it, she takes a picture of them in a compromising position and tries to blackmail him into getting naked?!