Aoharu x Kikanjuu
The story follows high school student Hotaru Tachibana, a girl disguised as a boy. Through strange circumstances she finds herself drawn into the world of survival games by a host, Masamune Matsuoka. The two form a team with ero-manga artist Tooru Yukimura and aim to be the best in Japan.
(Summaries provided by MyAnimeList.net)