Our Relation is Eriko Imai's maxi single for the second opening theme of the 2001 TV anime series. The CD was originally released on 2002-07-10 under the label avex trax as part of the Sonic Groove brand.
- Our Relation <4:13> <performed by Eriko Imai>
- Only For You <4:58> <performed by Eriko Imai>
- Our Relation (Lead no Lead Mix) <4:40>
- Our Relation (instrumental) <4:13>
- Only For You (instrumental) <4:58>