Mujin Wakusei Survive

In the future, most of mankind lives in artificial space colonies, climate-controlled and completely safe. The orphan girl Luna, selected to receive a scholarship at the prestigious Soria Academy, finds herself in quite different circumstances. An excursion gone terribly awry leads to Luna and her classmates being stranded on an uninhabited planet. Without any experience of untamed nature, the motley crew is faced with a challenging struggle to stay alive until rescue comes. If it comes...
(Source: Anime News Network)