DxD: Milking System

"He turned it off…"

"That, he did…"

Tsubaki and Sona spoke to each other while wondering why Issei suddenly closed off the call. They blinked their eyes and failed to understand Hyoudou Issei's way of thinking.

They only wanted to tell his little brother that his brother was in the student council room, sitting on the couch while chuckling at the two girls who couldn't understand what had happened.

'Of course, he will close the phone immediately when you say that! He already knows that Sona is a Devil after all!' Jin thought, trying his best to hold his laughter from erupting.

He was nursed by Sona and Tsubaki last night after he faked being injured by Kalawarner, which was a part of his plan to involve the devil to attack the Fallen Angel's base.

And it worked. While it was slightly different from what he planned, his plan still worked.

At first, he wanted to let Sona find him lying on the street with his body covered in blood and Kalawarner would hide somewhere to inform him if any Fallen Angel or someone else approached.

But unexpectedly, Sona showed up earlier, and so he could only let Kalawarner pretend to run while her Light Spear injured him. Tsubaki Shinra also showed up with her, something that he didn't take into account.

As it turned out, Tsubaki Shinra was Sona's peerage member. She was a former human and got reincarnated as a Devil. They explained it to him yesterday when he regained consciousness.

As he planned, Sona took him back to the Kuoh Academy as the priority, maybe because she felt guilty because he was first involved with the Supernatural because she had gotten close to him or something.

Anyway, he managed to let Sona get involved in attacking the Fallen Angel's base. His injury was a bit hurt, but he could manage. He would drink milk from Kalawarner again today to grind the EXP and Lifespan.

"Don't worry about it, Sona. I think that idiot brother will arrive shortly." Jin said as he shrugged his shoulders.

However, instead of Sona, Tsubaki was the one who answered him.

"Are you sure, Jin-kun? He appeared to be… rather panicked when I said you are with us."

"Panicked?" Sona asked, glancing at Jin suspiciously. "Could it be… you told him that I was a Devil? Surely you didn't bring your brother to the Supernatural World too, right?"

"Of course. That little brother of mine was targeted. Do you think I will hide the fact from him and make him ignorant of what will come to him? Are you kidding me, Sona?" Jin replied with a cold tone, glaring at Sona.

Ignorance was bliss. But, when someone became a target of something dangerous, they couldn't stay ignorant. It would only put them in danger.

"It is dangerous!" Sona shouted back, losing a little bit of her composure. No matter what she did to calm herself down, somehow, her emotion would come out first every time she dealt with Jin.

It irked her, but she couldn't do anything. She was worried about the human named Jin. She had come to accept him as an equal. That was the reason why she didn't turn him into the devil yesterday. She didn't want him to hate her.

"More reason to not stay ignorant. I will train my brother so he can defend himself like what I did yesterday."

"Hah!" Sona scoffed as she crossed her arms. "You got your leg injured and said you can defend yourself? Let me tell you, the Fallen Angel that you fought yesterday was weak. She was only a Low-Class one in the Supernatural World."

"Yeah yeah, I know." Jin dismissed Sona by waving his hand. He already knew that from Kalawarner. She told him about the Class of Angels, Fallen Angels, and Devils yesterday when they were talking about his plan.

Of course, he knew that Kalawarner was only Low-Class, with her only having two wings. Jin stayed optimistic even after hearing about the class. Why? Because that meant he could still get more powerful skills and a lot of EXP if he drank from a High-Class Supernatural entity.

He also heard that Sona was a High-Class born Devil. But, strangely, he only got a few EXP from her. Kalawrner explained it was because she was only born as a High-Class Devil. Sona's strength was still far from being the real High-Class Devil.

So that was the reason why Jin only got a few EXP from Sona. She was still growing as a Devil.

"But Sona. Let's put it like this." Jin leaned his back against the couch, looking straight at Sona's eyes. "I can technically fight on par with a Low-Class Fallen Angel a day after I was attacked and found out about Supernatural World. I am amazing, right?"

When Jin put it like that, Sona couldn't even deny it. It was true that Jin was amazing. Being able to fight a Fallen Angel as a normal human was a feat that not anyone could achieve. Jin being able to use the light sword itself was already impressive.

So Sona could only swallow her words and change what she was about to say to something else.

"Fine…" She sighed. "But, I will be the one who takes care of the Fallen Angel this time. No. I guess you won't be satisfied with that. I will let you join the Fallen Angel's extermination in two days, on Sunday. Prepare yourself."

"Aha! You know me well, Sona. Did last night make us closer than I expected?" Jin teased as he smiled playfully.

"Wha…! What are you talking about? I don't know what you mean!" Sona's face flushed red.

At that moment, Tsubaki glanced at her president and wondered, 'What happened between them yesterday? This is the first time I saw Kaichou acting like this.'

However, Tsubaki stayed silent as the situation was a little bit interesting for her. Her president had always teased her, so it was a fresh sight to see Sona flustered because of a boy.

"You know what I mean. Anyway, my brother would be arriving in just about… a few seconds."

As Jin said that, heavy footsteps rang in the hallway outside of the room. The footsteps unexpectedly belonged to two people.

A few seconds later, the door was slammed open, and two people with nothing that could connect them were standing in front of the door. They were Issei and a girl with red hair, Rias Gremory.

Once the door was opened, Issei suddenly shouted loudly while still in his pajamas.

"Nii-san! Are you okay? Don't worry. I will help you!"

"Yeah! Explain this right now, Sona!" Rias Gremory added.

Jin, who had no idea why Issei was with Rias Gremory, thought, 'Well, this will be a bit troublesome.'

***

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