"6C2P4A118680823" is a free DLC for NieR:Automata The End of YoRHa Edition.
In addition to six costumes and four accessories, two pod skins for characters from the related title, NieR Re[in]carnation, are also included.

[The following costumes will be added]

・2P's Body Replica (for 2B)
・9P's Body Replica (for 9S)
・P2's Body Replica (for A2)
・YoRHa Uniform 1 (for 2B)
・YoRHa Uniform 2 (for 9S)
・YoRHa Uniform Prototype (for A2)
・White Fox Mask
・Black Fox Mask
・Under the Moon Bauble
・Remnant Flower Bauble
・Mama (for Pod 042)
・Carrier (for Pod 153)

*The separately sold product, NieR:Automata The End of YoRHa Edition, is needed in order to access this content.
*There are also some scenes during the progression of the main game scenario in which this content cannot be accessed.

More details on the official game page of NieR:Automata - 6C2P4A118680823 ...