Astra Lost in Space (Manga)

Astra Lost in Space (彼方のアストラ, Kanata no Asutora) is a Japanese manga series by Kenta Shinohara. It was serialized online between May 2016 and December 2017 via Shueisha's Shonen Jump+ website/app. It was collected in five tankōbon volumes. The manga is published in English by Viz Media.