Kataomoi (Crystal Kay)
- Crystal Kay
- Kataomoi (片想い; Unrequited Love)
- Nishio Saeko, 51-GOICHI-, Arkitec, COYASS
- ☆Taku Takahashi
"Kataomoi" is a hip-hop song recorded by Crystal Kay, and produced by Takahashi Taku. It features rap verses by COYASS, 51-GOICHI-, and Arkitec. It was released on Crystal's fourth studio album 4REAL; this album received the most production from the "m-flo family". The song was later included on both of her best of collections: CK5 and BEST of CRYSTAL KAY.
- [2010.06.16] Crystal Kay Live in NHK Hall: 10th Anniversary Tour CK10 (#14)