Mezametara Souwa Sekai

 is a limited edition single released by Shimizu Ai, available only at the Comic Market 78 convention.

Tracklist

 * 1) Mezametara Souwa Sekai (目覚めたら創話世界)
 * 2) Short Story「Mezametara Souwa Sekai (目覚めたら創話世界)」
 * 3) Mezametara Souwa Sekai (目覚めたら創話世界) (off vocal)
 * 4) Bonus Track『Shimizu Ai no Niconico Ai Lan℃ (清水愛のニコニコ愛Lan℃)』Special Event「Haiku」