Start by Eating Jake Jake no Mi

Waking up in the early morning, leaving his women dead tired, Masa went out to train but stopped when he saw Koneko, who slept soundly in the corridor with a missing bottom. 

"..." 

Her sleeping face was cute, but watching how dirty this girl had become, he sighed, then took off his shirt to cover her body so she wouldn't catch a cold. 

Feeling the sudden warmth and good scent on a soft fabric that covered her body, Koneko tightly wrapped it around her body as she moved her nose closer to his worn shirts. 

"Hnh~!" 

"...." 

Masa decided to remain quiet and leave them, but when he left, Kuroka woke up and said with a stern voice, "We need help, nyaa!" 

"...." Serafall, Sona, Ravel, and Asia. 

"But what should we do? He is quite choosy, after all." 

"I will try to get information about powerful females on the earth later." 

"That's great!" 

While Masa was happy with their thoughtfulness, he never forgot to keep training and to implement his "Index" to collect all the information in this world. 

Or rather, when everyone knew what he wished, all of them took the initiative to help him collect all of the ancient books, knowledge, and many others. 

Masa was someone who could even create a unique ability known as the "Star Rage," and in the future, it might be possible for him to grow even stronger, so they thought that it was their investment in him, and frankly, as long as someone supported him, they would have a great future, especially when they had seen how all of Masa's followers had became stronger. 

More importantly, Masa also planned to create an "Artificial Devil Fruit" in this world, especially the Zoan-type, which was simple and easy. 

Why did he think so? 

It was because all he needed to do was mix the DNA of a certain animal into someone else's body. 

Not only could this increase the power of his army, but it could also become a source of money for him. 

At the same time—

"Ajuka..." 

When Masa thought of his "Dominator" having its trajectory changed, he couldn't help but feel surprised. 

'Mathematics...' 

Unlike him, who was focused on the laws of physics, Ajuka focused on mathematics, which was interesting, he thought. 

It was as if Ajuka manipulated the phenomenon itself, and everything within this world was under this control. 

It was a good ability, similar to "Vector Manipulation," Masa thought, but then again, in the end, even if the ability was good, as long as one's Demonic Power was better, then they would be the winner. 

This was why, despite being stupid, Sirzech could become the strongest instead of Ajuka. 

A brain wasn't needed, and what was needed was just energy, Masa thought. 

Still, that was also the reason why neither Sirzech nor Issei could ever improve by themselves. Unless they got help from others, their strength was only like that, so he knew well that it should be Ajuka who could grow stronger. 

Regardless, as Ajuka was smart, he also knew his limitations, and this was the reason why he decided to focus his research on the secret of the ancient technology that was discovered on the floating island, Agares. 

Then, as Ajuka owed him a favor, Masa thought of getting all of Ajuka's research data and took over the research on Agares. 

Wasn't that too overbearing? 

It was, but would Ajuka dare to fight? 

Masa smiled as he thought about his future growing brighter and brighter. 

Then, what about Issei?

Masa only smiled since he knew even if he did nothing, Issei's future was already doomed, and it was more fun if it was the one that Issei trusted the most would do horrible things to him, right? 

The best revenge should be tasted slowly~! 

Frankly, if no one troubled him, Masa knew that he would be a shut-in, slowly managing his business and just enjoying his life, and this was what he planned to do since he knew well that his peaceful day had come. 

Still, as he trained the power of his Ton Ton no Mi, he stopped since he noticed a nervous presence that had stayed in silence for a while, and as he turned, he saw the petite cat, who held his shirt timidly. 

"Shirone?" 

"M-Masa-sama..." Koneko was nervous, but she quickly bowed her head. "I-I am sorry, Masa-sama! I-I have dirtied your shirt!" 

"...." 

Masa was speechless, then looked at his shirt, which had a faint wet mark, which should have come from Koneko's saliva when she slept earlier. 

"It's fine. Just wash it for me." 

"Y-Yes..." 

Yet, somehow, Koneko appeared reluctant when she heard Masa's words. 

"...do you want to take it?" 

"Eh?!"

Watching her blushing face, Masa looked at her amusingly and asked, "Come closer."

"..." 

Koneko was nervous, but she moved closer timidly as she lowered her head until her head was patted gently. 

"Do you like my shirt?"

"M-Masa-sama?!" 

"Shirone-chan is a pervert~!" 

"..." 

Koneko wished that she could run away as fast as possible, she thought! 

Yet, she didn't move and just stayed on the spot as her head was gently caressed by him. 

His large hand was warm and powerful, yet gentle, which made her intoxicated.

"..." 

Watching her lewd expression, Masa wondered whether she wished him to do something to her, but then again, holding the tip of her short hair, he asked, "Do you like short hair?" 

"Eh? N-Not really. It-It's just easier to move this way." 

Her way of fighting was by fists, so long hair would give her a little trouble. 

Still, Masa didn't really like short hair except for Sona's, and he felt it was more suitable for Koneko to have long hair. 

"Then, lengthen your hair." 

"Okay." 

Koneko was obedient and never thought of fighting his decision. 

"Don't you ask why?" 

"...er?" 

"I think you will look cuter that way, so try lengthening your hair, okay?" 

Caressing her smooth cheek, Koneko nodded as she rubbed her face against him like a spoiled cat. Still, as she looked at his gentle smile, she wondered whether it was possible for him to do that. 

Nevertheless, while her body was petite, she was at the age that was possible for her to marry, so... 

Still, Masa decided to ignore the pheromone that exuded from Koneko's body and the eyes that she gave him when she stared at him. Eventually, he got a call from his aunt, who told him a crisis had happened at the House of Bael, and it seemed his presence was needed to calm everything there, he smiled and thought that the time had come that the Underworld was under this control.