This manga is pretty bad and the art is an eyesore. Anyway, this is a volume edition of SMZ #6 since Happy never put out one and since half the links are dead for the chapters on their site. Do enjoy and thank them for doing it.
Direct Download - https://mega.nz/#!hhshjIwC!J9CVoMPBAkMsKGrDFNO8twVUcF2ryKOEf2kWmZIPPlY
Shin Mazinger Zero Volume 6 [OtherSideofSky] [HappyScans!] [Dynamic Pro Scanlations].zip (306.4 MiB)