Astra Lost in Space, Vol. 3: Volume 3  (English, Paperback, Shinohara Kenta)

Can eight teenagers find their way home from 5,000 light-years away? It's the year 2063, and interstellar space travel has become the norm. Eight students from Caird High School and one child set out on a routine planet camp excursion. While there, the students are mysteriously transported 5,000 light-years away to the middle of nowhere! Will they ever make it back home?! After their nightmare on Shummoor, the group arrives at the third planet on their journey, Arispade. The planet has plenty of food, water and sunshine, making it just like a tropical paradise and the perfect place to relax. Even the lone wolf of the group, Ulgar, starts to open up! That is, until he suddenly pulls out a gun and threatens to kill Luca! Could Ulgar be the traitor the group has been looking for?!