Boku ga Kyou to Sayonara Shita Hi.

 is the 16th single by Daisy×Daisy. It is the fifth single in her "picture book" series, in which every single includes a CD and a picture book.

Tracklist

 * 1) Utsusemi (空蝉)
 * 2) Soumatou (走馬燈)
 * 3) Unmei no Kotonoha (生命ノ言の葉)
 * 4) Chihiro no Umi (千尋の海)