This is a set of 4 CDs of Naniwa Danshi's "HARD WORK": First Limited Edition 1, First Limited Edition 2, Regular Edition, and Limited Production Edition! Serial codes and bonuses are not included. Only the new, unplayed discs are included! The packaging has been slightly opened to remove the serial codes. Thank you for your understanding. The CDs will be shipped in OPP bags! Bubble wrap packaging is available for an additional 50 yen. Immediate purchase is welcome. Please send a quick message after purchasing. Please note that returns and refunds due to scratches or other damage upon arrival are not accepted. Group Name: Naniwa Danshi