Haganai (はがない), short for Boku wa Tomodachi ga Sukunai (僕は友達が少ない, loosely "I Don't Have Many Friends"), is a Japanese light novel series written by Yomi Hirasaka, illustrated by Buriki, and published by Media Factory. It has been given several manga adaptations; the first incarnation, its title and basic plot unchanged, began serialization in 2010; it was written and illustrated by Itachi and published in Monthly Comic Alive. A retelling of the series, written by Misaki Harukawa and illustrated by Shuichi Taguchi and called Boku wa Tomodachi ga Sukunai+ was published in Jump SQ.19. A 12-episode anime adaptation by AIC Build aired in Japan between October and December 2011. An original video animation episode was released in September 2012. A second anime season, Haganai NEXT, aired between January and March 2013. A live-action film adaptation was released in February 2014.
学園で浮いてしまっている羽瀬川小鷹は、いつも不機嫌そうな少女・三日月夜空が一人で楽しげに喋っているのを目撃する。 「もしかして幽霊とか見たりするのか?」 「友達と話していただけだ。エア友達と!」 「……」 小鷹は夜空とどうすれば友達が出来るか話し合うのだが、夜空は無駄な行動力で友達作りを目指す残念な部"隣人部"を作ってしまう。 しかも何を間違ったか続々と残念な美少女達が入部してきて――。 みんなでギャルゲーをやったりプールに行ったり携帯でメールしあったり。 色々と迷走気味な彼らは本当に友達を作れるのか? アレげだけどやけに楽しい残念系青春ラブコメ!