[Ganbarou] Big Order OVA [BD 720p] (Extras included)

DDL:
https://mega.nz/#F!9IcikJTQ!WR5dtWB5W9OJ3wGSi38Vtg

How to watch:
Step 1: Watch part A, B, C OR CA (Note: only 1 of them, CA is at the very end of "A, B, C, CA", look at the chapters)
Step 2: Choose one from CR01CR10 and CR12
--------- If you picked CR12 then go back to Step 1
--------- Else go to Step 3
Step 3: Choose one from СB1CB4
Step 4: Choose one from CR01CR12
--------- If you picked СR01CR10 then watch CC + ED1 (Short)
--------- If you picked CR11 then go to Step 5
--------- If you picked CR12 then go back to Step 1
Step 5: Choose a D(1~3) part you haven't watched + ED2 (Long)

No, it doesn't make any sense.