- Volume 05Chapter 1.1-1.5
- Ch 1.5 One Summer Day Jun 18, 2012 Ch 1.4 Jul 4, 2008 Ch 1.3 Jul 4, 2008 Ch 1.2 Jul 4, 2008 Ch 1.1 Jul 4, 2008
- Volume 04Chapter 1.1-1.4
- Ch 1.4 Jul 4, 2008 Ch 1.3 Jul 4, 2008 Ch 1.2 Jul 4, 2008 Ch 1.1 Jul 4, 2008
- Volume 03Chapter 1.1-1.4
- Ch 1.4 Jul 4, 2008 Ch 1.3 Jul 4, 2008 Ch 1.2 Jul 4, 2008 Ch 1.1 Jul 4, 2008
- Volume 02Chapter 1.1-1.5
- Volume 01Chapter 1.1-5
Two boys find out that there are demons in the world who will relatively soon try to kill all of humanity, and so they seek to combat them even if that means giving up their own humanity and/or sanity in the process. And even if that means destroying their friendship.