Mahoromatic Summer Special
Genres: Comedy, Romance, Sci-Fi, Ecchi
Type: Special, Episodes: 1
Aired: Aug 15, 2003
Studio: Gainax, Shaft
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
It's another normal day in the Misato residence when Mahoro finds yet another pornographic magazine in Suguru's room. This prompts her and Minawa to make a pact with Chizuko, Rin, Miyuki and Miss Shikijo to search and confiscate all of the perverted stash in the house. Suguru, Kiyomi and Toshiya must do whatever it takes to protect their treasure from the girls. 

(Source: ANN)