Chapter Selections
1. Vol.1 chapter 1: tiny gravity
Free2. Vol.1 chapter 2: my star
Free3. Chapter 3: spica's heart
Free4. Vol.1 chapter 4: star and shadow
Free5. Vol.1 chapter 5: diploma + promise
Free6. Chapter 6: the orbit of stars
Free7. Vol.2 chapter 7: two satellites
Free8. Vol.2 chapter 8: reunion
Free9. Vol.2 chapter 9: virgo's declaration
Free10. Vol.2 chapter 10: nebulous 8.6 ly
Free11. Vol.2 chapter 11: closure
Coins12. Vol.2 chapter 12: sirius in summer
Coins