This game is provided via Steam key. For key redemption a free steam account is required.
"Unlock extra equipment with the Extra Equipment Set.
The following items will be added:
Rare Protector Set
Rare Attachment Set
New Protector Set
・Defense Blueprint Revision
※A new lineup will be added within the Development Room's [Development].
New Attachment Set
・Revised Support Equipment Blueprint
lineup will be added within the Development Room's [Development].
New TCS Addition Pack ①
・New TCS [Brunhild]
※TCS for Asahi, Miyako use
※Remodel Lv. will also be carried over
※Uninstalling DLC items may prevent users from loading save files made before the DLC item was uninstalled. To ensure that users can load all Dark Rose Valkyrie save files, we recommend that users do NOT uninstall DLC items. "