Now if Michael's original plan was just sealing Emmaniel into the ball of holding then nothing would have happened, but the oldest most powerful angel on his most important mission in at least 2000 years messes up just from a tiny distraction from a mortal? Seems unlikely unless a divine hand took a role to ensure that a man whom Elyse, who is chosen as Emmaniel's back up despite her complete lack of experience, can fall in love with. God foresaw that this is the one and only chance that the demons of hell could possible have at redemption and like the parable of the lost sheep he left the rest of the flock to try and bring them back.
As 1 Corinthians 13:13 states "And so there remain Faith, Hope, Love—these three; and of these the greatest is Love." God deliberately chooses for this to be the method of redemption because it is not only the greatest and most powerful of the emotions, but as 1 John 4:16 states "... God is love. Whoever lives in love lives in God, and God in him." In the end, God does not even break His word as He allows the demons to come back to Earth become human and have their descendants live in the world. He Took a Third Option between the demons' total damnation for all eternity and humanity's destruction in Armageddon.
There are numerous theories which state that abstaining from masturbation will cause the other gender to be more attracted to you.If Kohta never had the queen sealed inside his balls, he would never have had sex with Minayo. Perhaps this is the true Aesop of the story?