Silly

 is the eighth single by Ieiri Leo.

Regular Edition CD

 * 1) Silly
 * 2) Negaigoto (願い事)
 * 3) Yuuki no Shirushi (勇気のしるし)
 * 4) Silly (Instrumental)
 * 5) Negaigoto (願い事) (Instrumental)
 * 6) Yuuki no Shirushi (勇気のしるし) (Instrumental)

Limited Editions CD

 * 1) Silly
 * 2) Negaigoto (願い事)
 * 3) Yuuki no Shirushi (勇気のしるし)
 * 4) Silly (Instrumental)

Limited Edition A DVD

 * 1) Music Video
 * 2) Music Video Making

Limited Edition B DVD
(5 live shows, 5 songs per show)
 * 1) LIVE Video 2012.2.15 @Shibuya eggman
 * 2) LIVE Video 2012.5.17 @TOWER RECORDS SHIBUYA
 * 3) LIVE Video 2013.1.25 @Shibuya Club Quattro
 * 4) LIVE Video 2014.2.22 @Makuhari Messe
 * 5) LIVE Video 2014.8.2 @Hitachinaka Seaside Park