[Comprehensive] Spaceman!

The life of Elio, a boy (girl?) Who calls himself a cosmic being, is said to be a cosmic being. There must be something special about him, so Elio opens a door to a new world! Colorful door! A colorful tomorrow is waiting for us! That's it! Yeah! ! ! ! Must read before reading: *The gender of the protagonist is unknown, pansexual, cp undecided, second person, make sure you can accept it before reading again! ! *Updated as usual Intention: Have fun