Astra Lost in Space(2016)

Kanata no Astra

Itʼs the first day of Planet Camp, and Aries Spring couldnʼt be more excited! She, along with eight other strangers, leave for Planet McPa for a weeklong excursion. Soon after they arrive, however, a mysterious orb appears and transports them into the depths of space, where they find an empty floating spaceship…

(Source: VIZ Media)

Notes:
Includes 4 sets of bonus pages, where each set is considered a chapter; Volumes 2 - 5 each contain a set.
Won the Manga Taisho Award 2019.
Nominated to the 23rd Annual Tezuka Osamu Cultural Prize.