The story centers around class 1-7 of Tennomifune Academy, where all the students with "bad karma" or misfortune seem to have been gathered. Hibari, a student in this class, meets the unlucky Hanako and the perennially unhealthy Botan on her first day of school, and together they try to find a way to turn their school life into a happy one.
| Title | Time | |
|---|---|---|
| 1 | An Unfortunate First Day of School | 2016-04-07 |
| 2 | The High-Tech Physical Exam | 2016-04-14 |
| 3 | My First Happiness Training | 2016-04-21 |
| 4 | A Mysterious Penalty | 2016-04-28 |
| 5 | Getting Lost on the Way to School | 2016-05-05 |
| 6 | A Field Trip With Everyone | 2016-05-12 |
| 7 | Visiting Hanako | 2016-05-19 |
| 8 | Fighting Final Exams | 2016-05-26 |
| 9 | A Stormy Group Lesson | 2016-06-02 |
| 10 | Our Summer Vacation | 2016-06-09 |
| 11 | A Stormy Outdoor School | 2016-06-16 |
| 12 | A Happy Outdoor School | 2016-06-23 |
