@comic_alive has broadcast the news that five light novel series from the MG Bunko J line, focusing mainly on harem comedies for young adult males, are newly slated to be adapted into anime series. This includes
No Game, No Life, Mahou Sensou, Seireitsukai no Kenbu, Seikoku no Dragonar and Madan no Ou to Senki.
No Game, No Live - a 2004 series by Yuu Kamiya (A Dark Rabbit has Seven Lives), currently four volumes
A hikikomori team of brother and sister are the secret identity of a undefeated gamer. After writing off real life as a worthless "Kuso Game," they are summoned to an alternate world by a boy "God," who puts them into a conflict in which wars are decided by games.
This one has an visual for the anime...
Mahou Sensou - Hisashi Suzuki's 2011 series, currently six volume - in which a hard working, pretty normal if a bit troubled guy runs into a girl surrounded by weird situations, who inducts him into the world of magic users
Seireitsukai no Kenbu - Yuu Shimizu and Sakura Hanpen's 2010, 10 volume series about a boy who sneaks into a magical academy to watch a noble girl bathe and accidental becomes the first male to make a contract with a spirit.
Seikoku no Dragonar , the manga of which Seven Seas will release as Dragonar Academy
The Shiki Mizuchi' harem comedy concerns put upon young man attending a school for dragon tamers, whose dragon hatches as a beautiful young woman.
Madan no Ou to Senki - 2011 seven volume series from Tsukasa Kawaguchi and Yoshi*10. Set a warring fantasy Western Europe, a young archer is defeated and pressed into service by one of seven young women who rule with the help of weapons given to them by dragons