This rare compilation of Cave goods was only available for a few minutes during the Cave Matsuri on february the 25th/26th 2011 via the official Cave webshop. All the rare Ketsui related items come in a nice PCB box that is usually only available when buying an arcade PCB and is valued highly in good condition between collectors. The Hell Box includes the following Ketsui goods:

- Keychain

- Lighter

- Belt Buckle

- Papernote cube (x2)

- Stickers

- Clearfile

- Metal canister