Kingdom Hearts Concert -Second Breath-

Kingdom Hearts Concert -Second Breath- is an official concert of  music performed by a full concert band. It is the fourth concert for the series's music. The concert was announced on December 19, 2022 and was performed in Osaka on February 19th, 2023, and in Tokyo on March 18th and 19th, 2023. A website was created to promote the concert.

Merchandise
The official concert pamphlet cost 2,500 yen. In addition to the program, it included messages from the staff and illustrations by series manga illustrator Shiro Amano. A special reserved seat for 7,700 yen entitled goers to an exclusive music box that plays "Dearly Beloved".

The performance events featured original merchandise, also made available for online purchase:
 * A gold Kingdom Hearts 20th Anniversary keychain cost 2,640 yen.
 * Two T-shirts, one featuring a checkered monogram and one featuring a grey and gold recolor of Tetsuya Nomura's 20th Anniversary illustration, cost 4,400 yen each.
 * Two tote bags, one featuring the checkered 20th Anniversary monogram and one featuring Nomura's illustration in full color, cost 3,080 yen each.
 * A wireless earbud case cost 3,300 yen.
 * A metallic file featuring Nomura's illustration cost 660 yen.
 * A postcard set featuring multiple pieces of Kingdom Hearts artwork cost 1,980 yen.
 * A set of two "can badge" pins cost 1,650 yen.
 * A 20th Anniversary folding umbrella cost 3,850 yen.

In addition, select pieces of existing Kingdom Hearts merchandise were available at the performance:
 * Two Keyblade Keychains, the Kingdom Key and Kingdom Key D, cost 2,090 yen each.
 * Two Kingdom Hearts Plushes, the KH III Sora and Shadow, cost 4,180 yen each.
 * The Kingdom Hearts Orchestra -World of Tres- album cost 3,630 yen.
 * The Kingdom Hearts - III, II.8, Unchained χ & Union χ [Cross] - Original Soundtrack cost 13,200 yen.
 * The Kingdom Hearts Concert -First Breath- album cost 3,630 yen.
 * The Kingdom Hearts Orchestra -World Tour- album cost 3,630 yen.