Original diary: tetsuya, posted on his mobile site tetsu-tetsu.com.
(Picture of the Music Station dressing room marked L’Arc~en~Ciel)
Sealed archive
The rest is in the vault.
JRock University's full texts and archived comments come with the compact.band Vault key. Indexes are free to browse.
Get the Vault key →Have one? Open the Vault, press "unlock the music school".