User blog comment:Kiyuhito/K-ON! (season 1) Blu-ray box to be released in Japan/@comment-1395837-20131206060632/@comment-1395837-20131206071911

Bonus postcard is coming from first season Japanese BD/DVD jacket. Anime Japanese official website This idea was used in the season 2, Visit!.

It will be cool if new Five-piece version of Don't say "lazy" animation is made!