How many light years to Babylon? (Volume 1 whole volume)

Publisher: Akita Shoten
Author: Haruaki Domo
Size: 128mm x 182mm
Number of books: 1
Language: Japanese
Category: Youth manga, manga
Latest release date: 2019-09-19

Synopsis:
A trio, including the surviving bubs of the disappeared Earth, travels on a ponkotsu spacecraft. In an endless universe that spreads romance, from the stars to the stars seeking the memory of the earth. Family love in the nostalgia. And what is the fact that you know in the past when you continue your journey ...?!?