Responses
https://www.mangago.me/read-manga/qualia_the_purple/ (GL, 18 chapters)
https://www.mangago.me/read-manga/twinstar_cyclone_runaway/ (GL, 18 chapters)
https://www.mangago.me/read-manga/shoujo_seikan_hyouryuuki/ (adventure/sci-fi manga where two girls leave Earth to find another suitable planet to live on)
Pls recommend short sci fi mangas, doesn't matter if BL, GL or straight or no romance
Even better if it has to do with outer space