Artist: Guardians 4, Shugo Chara Egg!
Released: September 2, 2009
Genre: Japanese Pop
Label: Pony Canyon
Trivia: School Days is the title of the second single by the Hello! Project unit Guardians 4. The title song is the fourth song used for the opening theme of Shugo Chara!! Doki—. The song has been sung by both Guardians 4 and Shugo Chara Egg!.
- School Days
- School Days (Shugo Chara Egg! version)
- Someday Somewhere
- School Days (Instrumental)
- Someday Somewhere (Instrumental)