All Available Episode
All Season 1 Episode
1. 200 days to graduation
2. The square constellation of sorrow
3. Secrets of the observatory
4. A love letter betrayed
5. The beginning of love like bubble snow
6. Cassiopeia disappeared in tears
7. False Smile - Tokyo Edition
8. Before you become a memory
9. Flowers of friendship blooming in the starry sky
10. The loneliness of angels
