DxD: Milking System

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After doing the last round with Kuroka, Jin went to the hill with her to train his Senjutsu.

The cat girl told him that the best place to train Senjutsu was in the middle of the forest or surrounded by trees, so that was the perfect place to train his Senjutsu.

They went to the clearing where Jin had a spar with Vali two days ago. They sat in the middle of the clearing, looking at each other. Kuroka was wearing the sexy kimono that she wore when she first met Jin, while Jin wore a white shirt and black jogging pants.

The atmosphere around them was a bit serious and heavy, as a white aura surrounded Jin and Kuroka's bodies. Before going to this place, Jin contacted Sona, saying he would create a barrier around this place so she didn't need to be alert, and she immediately replied with an affirmative answer.

Sona surely understood that Jin wanted to train by himself for now, and he wanted to keep his power a secret from her. Obviously, that was the case, but Jin planned to tell her tomorrow to get her to collaborate with him on something.

"Now nya, try to close your eyes and feel the energy around you when you are in that state! You should be able to feel the flowing energy that comes from the trees and everywhere around us!"

Jin closed his eyes at Kuroka's instruction. He tried to feel the said energy around them by concentrating.

He knew how to feel Energy, but not the same energy that Kuroka spoke of.

"The energy came from nature nya! They are the flow of life or often called life energy. You can even call it Ki. Every living being has this energy, and you can control them with Senjutsu nya! I see that you can already use Touki for whatever reason, so it should be easy for you!"

'Ki? Like Martial Arts? I see. In that case…'

Jin managed to find some clues in Kuroka's sentences. If Senjutsu was an art of controlling and moving Ki as one pleases, he used it wrongly all this time. He only used it to strengthen his body, while actually, he could control the Ki when he struck his opponent to create more significant damage.

"Yes nya! That's how it is! Try to understand yourself, others, and nature's Ki. Focus your mind and release your Ki. Sense the natural Ki around you."

He tried to move this said energy and concentrated it in his palm. He could also finally feel the energy around him and tried to take it in.

However, his head was filled with something once he absorbed that energy. Something really dreadful and full of malice.

"AAAHHH!"

"Jin!" Kuroka's voice was full of worry as she approached Jin in a hurry. "Control your breathing! I forgot to explain it nya! I never thought you would try to absorb the energy on your first try! Control it. You won't lose against the malice nya! "

Jin couldn't hear Kuroka. His head was filled with the sudden malice and ill will that he had absorbed, but he knew he should do something about it.

'Shit! I never thought something like this would happen!'

His mind was invaded, and he began to hear some illusion telling, 'Kill! Kill! Destroy! Milk all women in the world!'

The last one was a bit strange, but he somehow calmed himself down. No one knew his hidden desire. Milking all women who had power and lived freely without worry.

He began to think. The voice and illusion started to appear because he absorbed the natural energy around him without preparation. So it should be fixed if he used his Ki to expel them out.

'Let's try it.'

Moving his Ki around his body, Jin began to feel this dark feeling. He found them mixed with the natural energy that he absorbed. With that in mind, he understood that he actually needed to actually purify and expel these dark feelings before he absorbed them.

'Found it. Now, how to take them out?'

At that moment, because his consciousness returned a little, he was able to hear Kuroka's worried voice.

"Release your energy, Jin! Like when you use Touki nya!"

Then he did just that. He released his energy like when he used Touki, and those dark feelings filled with ill will and malice were pushed out of his body. His consciousness fully returned, but he felt really exhausted as all the energy in his body was pushed out alongside those dark feelings.

"Huff… Huff… T-That was dangerous." He had a rough breath as he leaned back with his hands on the ground. His sitting position was a mess, but an excited smile was on his face.

"I am glad nya!" Kuroka suddenly hugged her and snuggled against his. "I thought you were going to get crazy nya!"

The cat girl seemed to be really worried about him, so he patted her head to calm her down. She closed her eyes and enjoyed the feeling of being patted as she purred like a real cat.

"What was that, Kuroka? I feel like my head is filled with noise."

"That's malice nya! It is usually mixed in with natural energy, so it's natural you don't realize it. Anyway, what you did earlier was dangerous!" Kuroka raised her hand in front of Jin's face, reprimanding him. "You can't carelessly absorb natural energy nya! I know you can, but you should follow my instructions closely!"

"My bad, okay? So it's really dangerous?"

"Yes nya! If your mind isn't strong enough, you can lose control and go on a rampage! You should purify and throw the malice away before you absorb the pure natural energy nya!"

"I see… I don't know about that. Thankfully I am fine, right? I also found out another use of Senjutsu from this training."

"Hmm? Tell me nya! I know everything about Senjutsu, but let's test what you find out!" Kuroka exclaimed, backing away from Jin a little with a confident smile.

"If I am not wrong, I can injure my opponent's internal organ if I send my Ki when I punch them, no?"

"Woah, that's correct nya! I never thought you would be able to find that out without me telling you!"

"It's easy, considering what I experienced earlier."

'Though a show I watched helped me understand this Ki a little better.' Jin added in his mind, but he didn't voice it out.

Standing up, Jin dusted his pants and looked at Kuroka. "Well, let's continue the training, Kuroka. I need to get used to Senjutsu fast."

Kuroka stood up in great spirit, "That's the way nya! Don't worry. I will keep you safe!"