Marvel: Trading with Worlds

There must be something wrong!

Kushina looked at Kain, who was resting on her lap. Her cheeks were slightly flushed from embarrassment, and her hands were still massaging his head. In just five minutes, things had escalated to this point.

Thinking back carefully, Kushina realized that she had followed the boss's instructions step by step since he mentioned having a headache. 

Unknowingly, she had let him rest on her thighs while wearing stockings. Now, Kushina could clearly feel the friction between his hair and her skin, and she slowly endured the slight itching.

"Boss, I'm here to buy desserts, like the moving chocolate from last time," Kushina murmured stubbornly. She didn't want to admit that she had come for a massage. 

She should be a customer, after all. The massage was just a way of taking care of her friend. She had agreed to help because she didn't want to see the boss suffering from a headache.

"Buying dessert? Kushina, did you bring money?"

"Of course! I've completed a lot of advanced tasks recently, and I was the one who repaired Konoha's barrier."

When Kushina spoke about this, she couldn't help but feel elated. Some ninjas from the Barrier and Sealing classes had started calling her "Master Kushina" since her sealing technique was even more powerful than the leader of the Sealing class. 

In the ninja world, strength determined status, and even though Kushina was younger, she had earned respect, especially in her twenties.

Kushina took out her small orange purse from her ninja bag and showed it to Kain, but the purse suddenly flew from her hand and landed in Kain's.

"My purse."

"It's my wallet now, Kushina. You still have outstanding debts. Let me see... You've accumulated quite a bit this time. After paying off the interest, you should be able to cover the principal. Come on, Kushina."

After taking all the money from her small orange wallet, Kain hesitated, feeling it might be too much, so he stuffed an additional five thousand ryo into the purse before returning it to her.

"I borrowed this from you, and it's already been added to the principal."

Kushina's cheeks flushed pink as she realized her purse had become much lighter. She pouted, then began to press her hands randomly over Kain's head. She had planned on using the massage techniques she'd learned, but now she was doing so almost absentmindedly.

However, Kain didn't mind her less-than-skilled pressure. He actually found it more comfortable with a little force, and as Kushina pressed, his head swayed slightly.

After a while, Kushina's face turned even redder, especially since her stockings didn't fully cover her thighs, leaving half of them exposed as snow-white skin.

The room fell silent. Kushina glanced at Kain, who was still resting, and began to think. 

How could a bad guy lie so defenselessly on her lap? All she needed to do was use her tailed beast chakra to press, and she could easily end his life. If he were truly a bad guy, would he expose his weaknesses so carelessly under her gaze?

Kushina felt that Namikaze Minato was trying to drive a wedge between her and boss, the same guy who had bullied her.

After figuring this out, Kushina decided to stop thinking about the things that bothered her and instead started talking about happier things: "Boss, I've been able to use the Tailed Beast Chakra recently. After using it, my strength increases a lot, but it also affects my temper. The Chakra makes me very irritable."

"Tailed Beast Chakra?"

"It's a very strong power. If I can leave the village in the future, I'll protect you then!"

"Of course, that's good. Here, this is for you," Kain said, handing her a bottle. "It's a palliative potion. After drinking it, it should calm your emotions. It should help."

In the evening, Kushina left the dessert shop with a box of magic desserts and a few bottles of potions, her cheeks flushed. However, her legs were a little numb again. 

'Next time, I can't kneel down to give the boss a knee pillow. Maybe I can find a sofa?' she thought.

"But is this palliative potion really useful? Is the boss just comforting me?" She wondered.

She decided to take a leave of absence from the sealing class the next day and practice controlling the Tailed Beast Chakra. Although there was an atmosphere of war in the village recently, the impact on the sealing class was minimal.

If she could control more power, the village would presumably not restrict her from leaving. Last time, when she listened to the boss, she began to see the Nine-Tails as something that could communicate on an equal footing, rather than just a symbol of disaster. 

But that guy, the Nine-Tails, actually tried to trap her.

Though she had finally escaped the sealed space, Kushina had managed to snatch a portion of the Tailed Beast Chakra from the Nine-Tails with the help of her Adamantine Sealing Chains. 

The Tailed Beast coat with almost three tails had already made a significant impact on her. If she accumulated more, her sanity might be affected.

"Kushina, it hasn't been long since your last attempt to control the Nine-Tails Chakra. Are you really so confident now?" Tsunade asked, looking at Kushina. Tsunade was wearing her ninja armor, which looked both feminine and heroic, and two members of the sealing class were behind her. 

If Kushina lost control of the Tailed Beast Chakra, Tsunade could subdue her, and the sealing class could strengthen the seal on her.

"I wanted to try it out because of this," Kushina replied, pulling out a bottle of the palliative potion.

"What is that?" Tsunade frowned slightly. It seemed reckless to try to control the Tailed Beast Chakra again with just a bottle of unknown liquid, and she had no idea what Kushina was holding.

Kushina deliberately kept it a secret from everyone. If they knew, the palliative potion would be subjected to various tests, but she trusted Kain. That was why she had kept it a secret until now.

"I'm going to start, Tsunade-san."

Kushina didn't answer Tsunade's question. She entered the sealed space and saw the Nine-Tails bound within her body by the sealing technique. In addition to the Four Symbols Seal, there was also a layer of Adamantine Sealing Chains, allowing her to freely extract the Tailed Beast Chakra.

However, drawing too much Chakra would affect Kushina with the violent emotions contained within the Nine-Tails' Chakra.

Once inside the sealed space, Kushina spoke to the Nine-Tails: "Nine-Tails, this time, I will try to control your Chakra!"

"Damn stinky brat!" the Nine-Tails roared, and the airwaves from the roar spread throughout the sealed space. But the two layers of seals were too strong for it to break free. 

Upon hearing Kushina's intent to try controlling its Chakra, the Nine-Tails reluctantly offered her some of its power—Chakra filled with tyrannical negativity.

Last time, she nearly reached four tails, but Kushina couldn't handle it. This time, however, she was pulling nearly six tails' worth.

After drawing a large portion of the Tailed Beast Chakra, Kushina instantly reached the level of three tails. At that point, she could already feel the overwhelming negative emotions affecting her, much stronger than before.

….

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