Sen no Tomoshibi no Mukou ni ~Outer Ring Tale~

Year in early 2200s, space pioneering era. Main character Ares is a bounty hunter taking various job on requests. His aim is to save 50 million credits and organize an expedition to the Second Galaxy where his father got missing. There may be secondary goals to help heroines in need, but the journey goes on as long as a star named "dream" keeps shining in people's mind.

[From vndbreview]