| Tsumetai Umi/Start in My Life | |
| Cover: | Gzca-1063.jpg |
| Type: | single |
| Artist: | Mai Kuraki |
| Album: | Perfect Crime |
| Released: | February 7, 2001 |
| Recorded: | 2001 |
| Genre: | J-pop |
| Label: | Giza Studio |
| Producer: | Kanonji |
| Prev Title: | Reach for the Sky |
| Prev Year: | 2000 |
| Next Title: | Stand Up |
| Next Year: | 2001 |
"" is Mai Kuraki's seventh single, released on February 7, 2001. "Start in My Life" was used as the 11th ending theme to the Case Closed anime series.