On a massive luxury cruise ship while at sea, the loyal butler and a mysterious woman cross paths as they try to uncover a murder-mystery that occurs on the ship.
You can now watch In Love and Deep Water online on the following streaming providers in the United States.
| Writing | Yuji Sakamoto | Writer |
| Directing | Yusuke Taki | Director |
| Sound | Takatsugu Muramatsu | Original Music Composer |
| Camera | Sohei Tanikawa | Director of Photography |
| Art | Hidefumi Hanatani | Production Design |
| Lighting | Shunri Rinoie | Lighting Design |
| Visual Effects | Yoshinori Makino | Visual Effects Supervisor |
| Costume & Make-Up | Babymix | Costume Design |
| Costume & Make-Up | Miho Matsuura | Hair Designer |
| Costume & Make-Up | Miho Matsuura | Makeup Designer |
| Directing | Sokoku Lee | Assistant Director |
| Production | Makiko Okano | Executive Producer |
| Production | Yoichi Arishige | Producer |
| Production | Tomoo Fukatsu | Producer |
