Re: Re Kochi World

 is a collaboration single by Re:Lien & Kochi..

Tracklist

 * 1) KIZUNA
 * 2) Onegai. Aitai! (お願い. 会いたい！)
 * 3) KIZUNA (Off Vocal)
 * 4) Onegai. Aitai! (Off Vocal)