Genre: Harem, Romance, Ecchi
The OVA is bundled with volume 3 that is released in Japan on June 20, 2013.
The story centers on Masayuki Mizutani (Ryota Ohsaka), an ordinary high school boy. His classmate Sayaka Shimizu (Mayuka Nomura) lives in his home as a zealously intrusive maid, leading to uncomfortably erotic situations.
More Info on the OVA from Anime News Network:
Keiichiro Kawaguchi (Hayate the Combat Butler, Mayo Chiki!) is directing the OAV and Satoshi Isono (A Dark Rabbit Has Seven Lives) is designing the characters. Yutaka Mukumoto (Cross Game, Queen's Blade: Rebellion) is serving as art director and Haruko Nobori (Kamisama Kiss, Medaka Box) is the color key artist. Satoshi Isono (Vanquished Queens, Magician's Academy) is serving as animation director. The show will also star Natsumi Takamori as Yuka Takamura, Marie Miyake as Anna Ozono, Fukumi Matsumoto as Mai Takagi, and Kazuyuki Okitsu as Matsushita.
We don't have a summer archive list of trailers yet. Please check out the Spring Anime 2013 Trailers Archive Blog in the meantime.