Timeskip.
For an unknown amount of time, the events of the [Great War] finally came to an end.
From that event, at least each of the parties concerned lost most of their people.
[Four Original Satan] and [Biblical God] had to accept their fate, with their deaths in the Great War.
As such, this caused [Angel], [Fallen-Angel], and [Devil] to lose most of their powers.
For that reason too, they finally decided to stop the war with each other.
Even so, the atmosphere among the three races was still in tension and wary of each other.
As a result of the Great War, [Angel] and the [Seraph] lost their leader, the Biblical God.
As for [Devil], they lost their demon king Lucifer, as well as the other Three Original Satans.
The other three Original Satans are Leviathan, Beelzebub, and Asmodeus.
Only the [Fallen-Angels] did not lose their leader, Azazel.
Even so, that did not mean the Fallen-Angels had not suffered losses.
They had also lost most of their troops, which weakened the strength of their [Fallen-Angel] race.
Thus, even though the Great War had stopped, their situation was still one of being wary of each other.
The atmosphere in the underworld, or what can be called the [Underwold], is currently quite tense.
In this unknown period of time, the children of the direct descendants of [Four Original Satan] also began to reveal themselves.
They were Tsufaame Leviathan, the biological daughter of Leviathan.
Then there was Bidleid Beelzebub, he was the biological son of Beelzebub.
Damaidosu Asmodeus, the biological son of Asmodeus.
And the last was Rizevim Livan Lucifer, the biological son of Lucifer.
Since their respective parents had died, other than Rizevim, the three of them planned to take over their parents' thrones.
Yes, that's right, Rizevim had no ambition to take his father's throne as Satan Lucifer, in the Underworld.
Even from the very beginning, Rizevim did not have the slightest intention to ascend the throne and take her father's place as the new demon king Lucifer.
But for the other three offspring, it was a different story.
Tsufaame Leviathan, Bidleid Beelzebub, and Damaidosu Asmodeus, they had every intention of taking over their parents' throne.
The trio's goal was clear, they wanted to restart the Great War.
During this period too, Ken had traveled around the Underworld quite a bit to look around.
For example, Ken went to take a look at the so-called [72 Pillar Houses], or what translates to [72 Pillar Houses].
In short, the 72 Pillars are high-class noble demons who possess the purest demon blood, only inferior to the [Four Original Satans].
The 72 Pillars were created by Lucifer simultaneously with the extra demons and his other troops.
Thus, the 72 Pillars could be said to be servants, with the [Four Original Satans] as their masters.
Some examples were Clan Bael, Gremory, Sitri, Agares, Astaroth, Phenex, and many others.
Ken went around and visited them one by one to look around.
During this time, Ken also took this opportunity to get acquainted with the women he was targeting.
Like Runeas, Chysis and Venelana, from Clan Gremory.
Then there was Lady Phenex, from Clan Phenex.
Ken had also visited Lucifuge's residence to meet the young Grayfia.
From Clan Bael's residence, Ken was introduced to Sairaorg's mother, Misla Bael.
From Clan Sitri, Ken then went to meet Lady Sitri, the woman who would later become the mother of Sona Sitri.
Ken visited and lingered in the places of the women he had targeted.
In addition to seeing what they are like firsthand, Ken also builds relationships early on with them.
An example is Grayfia Lucifuge.
Ken would of course build a relationship early on long before Grayfia met Sirzechs and fell in love with him.
This way, Ken could prevent Grayfia from falling in love with Sirzechs when she met him later in the events of [Devil Civil-War].
Then there was also someone like Serafall Sitri from Clan Sitri who was still small and cute.
Ken lingered in their area to build relationships with his targets.
Even later, Ken planned not to miss a woman like Katerea Leviathan.
Although she would be an antagonist in the future, Ken could 'fix' her.
As for the married women, such as Venelana, Lady Phenex, Lady Sitri, and Misla Bael, Ken planned to make friends with them first.
Ken intended to let them marry their husbands and give birth to their children who would later become heroines.
Like Rias Gremory, Sona Sitri, and Ravel Phenex.
They would become beautiful women in the future, so Ken naturally didn't take away their mothers.
If Ken did, how would Rias, Sona and Ravel be born?
Although Ken could have changed and rewritten his destiny by making Rias, Ravel, and Sona his daughters, just like he did to Basara in the first world, Ken found it less than pleasant.
Ken was not satisfied to feel the 'feeling' where he took someone's wife.
While he liked the concept of Netori, Ken didn't get that sensation when he made himself Basara's father and took all the women, from his mother to the woman who was supposed to be his woman.
Hence, here Ken allowed Venelana, Lady Phenex, Lady Sitri, and Misla Bael, to marry their predestined husbands in this DxD world.
In the future, it was not too late for Ken to snatch them from their husbands and claim what was rightfully his.
During this period, Ken utilized all his time to focus on connecting with his targets.
For mature women like Venelana, Misla Bael, Lady Phenex, and Lady Sitri, Ken kept his relationship with them just enough like friends.
Just enough to get to know them, not too familiar or too cold.
At least as friends.
Ken also doesn't try to flirt or seduce them so that the relationship is still limited to friendship.
If Ken wanted to, by relying on his face and charisma alone, it was not difficult to get them at once.
What if they knew Ken's power?
Wouldn't they throw themselves at him?
But back to the beginning, because Ken currently wanted to keep his relationship from crossing the line of friends, Ken didn't do that.
Ken kept a low profile, didn't stand out too much, and suppressed his aura as much as possible.
Lastly, Ken lowered his own charm or charisma to a certain extent.
He does this so that people don't 'fall in love at first sight' with him when they see his handsome face for the first time.
It's not that Ken is too narcissistic, but this is one of his 'innate' traits.
With an existence like Ken's, all beings have the feeling that they are like 'ordinary people' facing their creator.
So this is all a kind of 'innate trait' or 'pure compulsion' due to his 'existence'.
Furthermore, Ken also had a handsome face with a perfect body, which could make even the gods jealous to death.
Therefore, one can imagine what would have happened if Ken had not taken precautions in advance.
Because when they feel the 'innate nature' and 'pure compulsion' of Ken's charm, they will feel like ordinary human beings facing their creator.
When they are confronted with their creator, and that person has a perfect face and body, what woman wouldn't submit?
While women will throw their bodies at Ken, men can only be jealous to death in their hearts and cannot help but respect him.
This was a trait and feature of an 'existence' with absolute and absolute power.
She was completely different, unlike [God], [True God], and the like.
[Supreme Being] or [Supreme Existence]?
Humph! Ken can slap them to death.
....
*Well let's get back to the storyline.
Ken originally thought of taking Tsufaame Leviathan under his wing, but after thinking about it some more, Ken discarded the idea.
Let the plot proceed as it should.
Because Ken had calculated that right now, the distance between the DxD plots that were about to start was still very far.
Before long, another plot would still exist, and that was [Devil Civil War] first.
You know what? When the imminent Devil Civil War broke out, it happened exactly 500 years before Issei was reincarnated into the Devil.
So for now, Issei hadn't even formed into a sperm in his mother's womb.
No- Ken was sure that his parents hadn't even been born yet.
.
.
.
(A/N: the reason I deliberately made Ken come early, because in addition to explaining about the events of the Great War that happened thousands of years ago, I also made it easier for Ken to determine his targets from this timeline, you can see like Venelana and her group, although they don't have much time to appear on the screen, in the anime, but they have a fairly important role in this Fanfic, so I will target them from the beginning of the MC's arrival)
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