After the tournament between 6 7 universe, once he returns he been hired to go to earth.
(Earth)
Hit:why am I for exactly.
Michael:well are father, God,said to hire you.
Hit:what's the job.
Michael:to make the three fractions from having another great war.
Hit:why doesn't your father stop it from happening.
Michael:he's dead.
Hit:you just tell stop and got it.
Several months later, after Hit got there.He had to wait for the right moment.Until one day Michael told him to hurry to kouh.
Kokabiel:is that all crimson ruin princess ahhahhha.
issei:we can't win.
koneko kiba:it's impossible.
akeno:we have to win.
rias:I'm sorry everybody.
kokabiel:who the he'll are you,haaaahah no matter I'll just kill you.
As kokabiel summons a great spear of light and Hit got in his fighting stance, kokabiel throw it and Hit throws one punch at it.
bbbbbbbbbbbooooooooooommmmmmmm
Hit:what a waste well.
kokabiel:impossible.
Everyone:we're saved.
Hit appear in front of kokabiel stares for a moment then does timeskip.
Hit:goodbye kokabiel.
Then Hit picks up irina and goes back to heaven.