| Saikō no Kataomoi | |
| Cover: | Saiko no Kataomoi.jpg |
| Type: | single |
| Artist: | Sachi Tainaka |
| Album: | Dear… |
| B-Side: | It's my life |
| Released: | August 30, 2006 |
| Genre: | J-pop |
| Label: | Sistus Records |
| Prev Title: | Kirameku Namida wa Hoshi ni |
| Prev Year: | 2006 |
| Next Title: | Aitai yo. / Kimi to no Ashita |
| Next Year: | 2007 |
is Sachi Tainaka's third single and was released on August 30, 2006. The title track was used as the ending theme for the Japanese animation Saiunkoku Monogatari.
The single reached #50 in Japan.[1] The CD's catalog number is GNCX-0005.
1. 最高の片想い
2. It's my life
3. 最高の片想い -instrumental-
4. It's my life -instrumental-