Ashita wa Kitto Ii Tenki

 is the debut and only single released by Yamachi Mari.

CD

 * 1) Ashita wa Kitto Ii Tenki (明日はきっといい天気)
 * 2) Our Place
 * 3) YOURSELF

Limited Edition DVD

 * 1) Ashita wa Kitto Ii Tenki (明日はきっといい天気) (Music Video)
 * 2) Recording & Music Video Shoot Making Video