Blood and Chocolate(2014)

Chi to Chocolate

The announcement includes the tagline "A boys' youth group drama that can unfold in a closed space!"

The story centers on Yozora Fujimitsu, a newly admitted student to North Gate National Military Academy, a school where the elite gather. Yozora possesses both beauty and intelligence, but he immediately feels uneasy at his new school. He thinks, "At this school, there's some kind of big secret." A vortex of speculations occupies Yozora as he's led toward that secret.

(Source: Anime News Network)