Published in Poji http://www.mangago.me/read-manga/poji/ Story 1) Uchuuu no Mozuku Story 2) Uchuu no Mozuku! [Not translated] Story 3) Uchuu no Mozuku!! [Not translated] Source: Poji (2016) https://www.mangaupdates.com/series.html?id=131578
Two stories.
Uchuu no Mozuku