DxD: Milking System

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*****

Jin stirred awake in the afternoon. Today, he missed school once again. Probably due to his excitement, he continued drinking Kuroka's milk until 9 in the morning. The EXP and Lifespan were too delicious to be missed.

When he opened his eyes, the girls weren't at his side, and his room was already cleaned from this morning's activities. He wondered for a second but didn't feel any worry even a little bit because he had his System's interface to know that both girls were alright. They were already registered as his personal cows.

Raising his body, Jin opened his System. "Let's see."

***

Milking System

System Level: 3

Exp Needed to Level Up: 1877/150000

Lifespan Left: 145Y 8M 13D

Magic Power: Medium Rank

Milking Skill:

- Milking Room [Level 3]

Duration 60 minutes -> 120 minutes

- Lactation Fog [Level 3]

Target 3 -> 5

- Golden Hand [Level 3]

- Cow Brand [Level 3]

Target 3 -> 5

- Milk Share [Level 3]

Max Skills Shared: 3

Skill:

New Skills!

- Senjutsu [Level 1]

Skill Description: Senjutsu is the power to control the flow of life energy or ki in living beings. Using it, one can strengthen both their internal and external bodies or even cause vegetation around them to bloom or wither. [Source: Kuroka]

- Youjutsu [Level 1]

Skill Description: Youjutsu is a power unique to Youkai, revolving around the manipulation of Youki to cause various effects. Has been changed to fit the User's skill. [Source: Kuroka]

- Defensive Magic [Level 1]

Skill Description: You can use Defensive Magic! [Source: Kuroka]

- Expert Hand-to-Hand Combat [Level 1]

Skill Description: You can fight barehanded like an expert! [Source: Kuroka]

Upgrade Shop!

Use your Lifespan to increase your skill level! Currently limited to Level 3.

Level 1 > Level 2 = 1Y of Lifespan

Level 2 > Level 3 = 10Y of Lifespan

Use your Lifespan to increase your magic rank!

Medium Rank > High Rank = 25Y of Lifespan

***

When he read the change in his status, Jin's smile turned wry.

"Really? 100Y just like that? How easy, but… the upgrade requires a lot… I mean a lot of Lifespan. It seems that I can't stop drinking just yet. Let's increase them right away. I don't want to be taken off guard anymore. Senjutsu, Youjutsu, and Magics are the most important things."

Jin began to tweak his Status and increase the skills that he thought would be useful to defend himself.

"From the knowledge that I gained, they will be important to fight against the Supernatural. My physical ability is far from the best, so Hand-to-Hand combat isn't really useful for me right now. I need to increase my physical ability first. So let's not increase that one for now. Level 1 is enough for me to deal with the ones at the level of that mad exorcist."

He began to buy some level from the store. First of all, he increased his Magic Power so it would reach High Rank. Then he increased all his newly acquired skills except hand-to-hand combat to level 3. At that moment, he acquired new knowledge about Senjutsu and other skills.

One piece of knowledge was important enough to make him stop what he did.

"Touki?" He muttered in surprise before grinning. "This makes things easier."

Touki was a kind of skill derived from Senjutsu. Those trained in Senjutsu are able to use Touki by controlling their base of life, in other words, their own life force, or at least that was what the knowledge he gained from the System.

It would increase the physical abilities of a user, achieving heightened offense, defense, and speed. It also had the added effect of damaging others with the slightest touch and defending themselves from a wide array of attacks.

"It's like a physical enhancement in a game." Jin tried to make sense of Touki by comparing it with his game knowledge.

Because of such a change, he increased his hand-to-hand combat skill to level 3 too. Holy Magic and Swordsmanship were also useful, so he increased those things to level 3 too. Water Magic stayed at level 2 for now, as he didn't use it too often.

After increasing all his skills, Jin got dressed and exited his room. "Time to try my new skill. I wonder if I can use the hill near the abandoned church to try my skill. I will also check on Asia after I try my skill. I am not that heartless to throw away the person that I saved."

With that, Jin went to the hill near the abandoned church, where he killed Raynare.

***

Sona sat at her desk in the school, doing her student council work during the lunch break.

"Haa…" She let out a long sigh. The reason was she hadn't seen Jin since yesterday after they parted ways.

'Where is that guy? I know that I was asking unreasonably for him to meet Lucifer-sama, but he didn't need to avoid me. I mean, I am his f-f-fiancee, right?'

She blushed when she thought about him being her fiancé. She had talked about this with her parents, and they would agree if they saw Jin's power firsthand. That was the reason why she asked him to help Rias with her problem.

Not only would it make Rias owe her, but it would also be a chance for Jin to showcase his own power.

'That space… I remember being taken to another space by Jin and losing all my power. Even if it's a Phenex, he wouldn't be able to beat Jin in that space.' She thought.

At that moment, she heard the door being opened and raised her head. From the entrance, her vice-president and the Queen of her peerage entered the room and bowed a little before approaching the desk where Sona sat.

When she arrived in front of the desk, she turned serious and said, "Kaichou, I bring back some bad news. We might have to call Serafall-sama to this town."

Sona frowned when she heard Tsubaki mention her sister's name. "What is it, Tsubaki? Surely my sister isn't needed in this town. Rias and I are enough to deal with almost any problem."

Tsubaki shook her head, "No, Kaichou. I believe this time, the problem is far bigger than what we are capable of."

"Oh?" Sona sounded a bit offended. She was confident with her ability, but her Queen just mentioned that they weren't capable of dealing with the new problem. "Do tell me what the problem is. I will decide whether we will call my sister or not."

Tsubaki nodded in understanding. "Understood. This morning, around 10 AM, we found a trace of an S-Class criminal named Kuroka. The sighting location is around the Hyoudou residence. We don't know how we can trace her, but my familiar saw her jump out of his house, a wide smile on her face as if she had accomplished something."

After Tsubaki was done explaining, Sona immediately slammed her hands on the table and stood up.

"Tell me where Jin-kun is right now! Also, don't tell Rias about this yet!" She shouted. Her mind raced to think about the worst possibility that could happen to Jin, and it scared her.

'I shouldn't have left him alone!'