MahoroMatic? The pervy comedy features Mahoro, a flat-chested battle android with a limited lifespan. Thanks to her service for the organization VESPER, she's been granted the ability to live out the last 398 days of her life as she chooses...and she chooses to live them with the son of her commander, who she was forced to kill when he was taken hostage by an alien.
Ahem. So she becomes the boy's maid. Suguru Misato is a normal high school kid-- a good guy with a penchant for large busts. He's surrounded by female classmates who like him, and a homeroom teacher who, well, lusts after him. And Mahoro. And crazy adventures happen, sometimes involving beaches, sometimes involving onsen, and sometimes involving alien invaders or other robots. And later, a second battle android joins the household.
Into this franchise comes a new special, MahoroMatic Tadaima*Okaeri. The previous anime were both co-developed by Gainax and Shaft, and directed by Gainax co-founder Hiroyuki Yamaga, but the Summer Special and now the new special will be directed by Shouji Saeki. The anime is based on the manga by artist Bow Ditama (of Kyou no Go no Ni/Kiss X Sis fame) and Bunjuurou Nakayama (Shiina Dark, Ushio and Tora).