I do not own the rights to nano - No pain No game [Btooom! OP] which is owned by Victor Entertainment.

The mashup itself is made by the talented HandBraJeans, please check out his other stuff and download his first album for FREE!

main mashup:

https://www.youtube.com/watch?v=ldHS-y36HxI

Outro mashup:

https://www.youtube.com/watch?v=q9jRtA_M2D4

Creators mentioned in the video:

https://www.youtube.com/channel/UC5VR_n74W1A6WPKq4Lmi6Hw

https://www.youtube.com/user/truongasm

https://www.youtube.com/user/MyJabmorenoBroke

https://www.youtube.com/channel/UC5eZzcOpPb6Mam7WKQJqbyQ