Zenbu Boku no Sei da.

 is the 10th single released by Zenbu Kimi no Sei da.

Tracklist

 * 1) Zenbu Boku no Sei da. (ぜんぶ僕のせいだ. )
 * 2) Teardust
 * 3) Zenbu Boku no Sei da. (Instrumental)
 * 4) Teardust (Instrumental)

Featured Members

 * Kisaragi Megumi
 * Mashiro (Last)
 * Hitomi Yotsu (Last)
 * Nagi Akebono (Last)
 * Yukinojou Oyatsu