Haganai
The first "Boku wa Tomodachi ga Sukunai" manga series, written and illustrated by Itachi, has been published in Media Factory's "Monthly Comic Alive" magazine since its May 2010 issue, released on March 27, 2010. Additionally, the series has been collected in 14 "tankōbon" volumes. Seven Seas Entertainment has licensed the first manga series in North America under the title "Haganai: I Don't Have Many Friends".
Otome wa Boku ni Koishiteru
Caramel Box released a fan disc of "Otoboku" on June 24, 2005 in a collection called "Caramel Box Yarukibako", which contained additional scenarios that furthered the story from the original visual novel; the fan disc came with a small figurine. The collection was re-released under the title "Caramel Box Yarukibako Fukkoku-ban" on January 26, 2007. A second fan disc was released on October 19, 2007 in the collection "Caramel Box Yarukibako 2", which again contained additional scenarios. Alchemist released a PlayStation 2 port on December 29, 2005, which removed the adult elements of the game. Additional scenarios were included in the PS2 version written by Kiichi Kanō. A version of the adult game featuring only Sion's scenario playable on iOS devices was released in six volumes between March 29 and June 4, 2010. A PlayStation Portable (PSP) version titled "Otome wa Boku ni Koishiteru Portable" was released on April 29, 2010 by Alchemist.