Following up his chapter release from yesterday, OtherSideofSky has just released chapter 7 of Amon. This marks the completion of the fifth volume! Volume 6 is the final volume of this story, and releases for that will begin on Friday.
Amon: The Darkside of the Devilman Volume 5
OtherSideofSky also says to expect the volume compilation of Devilman vs Getter Robo tomorrow. This will feature a redone chapter 1.