"Newlyweds" Keiichi and Akira Hirose have moved to a new city. Keiichi, who works as an author, and Akira, who works with kindergartners, are hiding a big secret from the people around them.
Is Farewell, Happy Days on Netflix? Unfortunately this serie is not yet available on Netflix.
| Directing | Kenji Shibayama | Director |
| Writing | Izumi Kawasaki | Writer |
| Sound | Awaku Moroku | Theme Song Performance |
| Sound | Haku | Theme Song Performance |
| Sound | Kohei Yamada | Music |
| Writing | Yuki Akaneda | Comic Book |
| Costume & Make-Up | Yuichi Sorimachi | Hair Department Head |
| Costume & Make-Up | Yuichi Sorimachi | Makeup Department Head |
| Costume & Make-Up | 津上淳子 | Makeup Artist |
| Directing | Satoru Fukasaku | Action Director |
| Visual Effects | 大江毅 | VFX Artist |
| Sound | Takamitsu Kawai | Sound |
| Sound | Masayoshi Nishi | Sound |
| Sound | Hironori Ito | Sound |
| Directing | 吉田尅隻 | Assistant Director |
| Lighting | Daisuke Watanabe | Lighting Technician |
