Sup, Belldandy-sama here, after a while on finding a better quality raw, I just said screw it and encoded the DVD myself.
We would have released this sooner, but we the raw we found was what we thought broken. So we held it off until we found a better quality raw. A few months pass and nothing, so I found the DVD ISO of Index-tan and encode it myself, and found that the problem was with JC Staff.
So, if you experience a cut out in the credits randomly, blame JC Staff and not us. Sorry for taking so long, but I hope you enjoy it.