


In a fateful childhood encounter, Mira Kinohata met a stargazing dreamer named Ao Manaka. Though their time together was short, Ao showed Mira the wonders of astronomy, from orbiting planets to distant stars. Before they parted, Mira learned that a star with her name exists, but there are none with Ao's. And so, she forged a promise: one day, she would discover a new asteroid and name it after Ao. Years later, Mira is still fascinated with astronomy. Now in high school at Hoshizaki Academy, she tries to join the Astronomy Club. Unfortunately, she finds out that the club has been merged with the Geology Club to form a single Earth Sciences Club. She joins this new club and finds a pleasant surprise—she reunites with Ao after years of separation. Alongside their new clubmates, Mira and Ao begin their journey together to fulfill their promise. How hard could it possibly be to find an asteroid?

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12 episodes • 2020Avg: 10.0Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Their Promise | Jan 3, 2020 | 10.0 |
| 2 | The Riverside Milky Way | Jan 10, 2020 | 10.0 |
| 3 | Memories Are Treasures | Jan 17, 2020 | 10.0 |
| 4 | Exciting! Summer Camp! | Jan 24, 2020 | 10.0 |
| 5 | Everyone's Summer Break | Jan 31, 2020 | 10.0 |
| 6 | Hoshizaki Festival! | Feb 7, 2020 | 10.0 |
| 7 | The Starry Sky Is a Time Machine | Feb 21, 2020 | 10.0 |
| 8 | Winter Diamond | Feb 28, 2020 | 10.0 |
| 9 | True Feelings | Mar 6, 2020 | 10.0 |
| 10 | Rain with Occasional Fortune Telling | Mar 13, 2020 | 10.0 |
| 11 | Shining Star Challenge! | Mar 20, 2020 | 10.0 |
| 12 | Connected Cosmos | Mar 27, 2020 | 10.0 |