Conversation so far:
what was Kat-Tun Real Face?
Real Face is a song written for the debut single and debut album of the Japanese boy band, KAT-TUN.
what is Kat-Tun?
KAT-TUN is a Japanese boy band.
what songs were on the album Best of Kat-Tun by Japanes boy band  Kat-Tun?
KAT-TUN released their debut single Real Face, accompanied by an album, Best of KAT-TUN.

Question: what albums did they release?
Self-contained rewrite: what albums did the Japanese boy band Kat-Tun release besides Best of Kat-Tun?