Invicinble Colorless Butler

The atmosphere of Princess Aishia's room became quiet. Princess Aishia can't say anything About what Ziel has said. Finally, Ziel broke their silence.

"Like I said. I can treat your condition. But you have to work with me. Are you ready princess?" Ziel said it to her again.

"Are you serious with what you say? You're not lying to me, Ziel? You say like it's not just to make me happy, right?" Princess Aishia asked questions one after another.

"Do you think I'll come to you in the middle of the night silently which will harm me just to comfort you, princess?" Ziel said seriously.

"Yo.... you're right. But can you cure me?" Princess Aishia still couldn't believe him.

"Of course. Not only will you heal, but you will also become a great mage once you are healed. This treatment may be long. It could be 10 days fastest, or it could be 2 months depending on you. How princess? Do you want to follow my treatment?" Ziel answered her question and explained about Princess Aishia's treatment.

"I want. If what you say is true. You can do that treatment right now." Princess Aishia nodded excitedly and agreed to her treatment.

"Well, excuse me, Princess." Ziel walked up to Princess Aishia.

He sat down next to the sleeping her. He held Princess Aishia's hand. Princess Aishia was startled and reflexively pulled her hand. Then she got angry with Ziel.

"What are you doing!? How dare you do insolent to me!?" She shouted loudly.

"I ask for your forgiveness for my rudeness Princess Aishia. But do you know why your body became like this?" Ziel replied indifferently.

"What do you mean?" Princess Aishia still didn't understand the problem.

"You are like this not because of disease, but because the incredible amount of mana in your body is out of control and raging. Your mana flow becomes chaotic. That's why every time you use magic. You will feel the pain of being pierced by thousands of needles all over your body including your internal organs." Ziel explained the state of Princess Aishia's body in detail in a firm tone.

"You... How do you know that? Even otou-sama and okaa-sama don't know how I feel!" Princess Aishia was shocked to hear what Ziel said.

"You don't need to know about it. You just have to trust me. So it's up to you. Are you going to continue this treatment?" Ziel said coldly to her.

Princess Aishia was silently looking at Ziel. She tried to see what expression he showed behind the mask. After a long time seeing him, she could only sigh deeply.

"Well, I'll trust you this time. But if you overdo it. I'll scream." Princess Aishia warned Ziel.

"I understand. All I do is hold your hand and drain my mana to help you control the chaotic flow of your mana." Ziel didn't heed his warning.

"Are you a mage, Ziel?" Princess Aishia was curious about what Ziel said.

Princess Aishia was surprised by what Ziel said. Learning magic and martial art simultaneously was not something rare. But if the magic circle and aura seal clashed with each other. It will result in serious permanent injuries.

"My first condition is that during treatment you shouldn't ask much, let alone my personal matters." He said coldly to Princess Aishia.

"Ye...yes." She replied with fear.

Ziel began to gently hold Princess Aishia's white and soft hand. Princess Aishia blushed after her hand was held. Other than by his father, she never came into direct contact with the opposite sex. Ziel's voice cracked Princess Aishia's delusions.

"Princess Aishia I will begin to flow mana into your body. It might hurt, so hold on. Feel and remember which flow I'm pouring out. This treatment requires extraordinary control of mana. I begin." This time it was Ziel who warned Princess Aishia.

"I get it." She replied shyly.

Ziel began to pouring his mana into Princess Aishia. Ash-colored mana began to enter her body. He flows his mana from her left hand then into her heart and spread it throughout her body from her brain, right hand, stomach, and legs. And Ziel did it over and over again.

Princess Aishia was fascinated to see the color of mana from Ziel. She had never seen a color like that. Suddenly Princess Aishia's body became hot. She felt something enter deep into her. Not only her body but also her heart. And the pain she felt was different from the pain she had experienced before.

"Aahnn..."

Ziel frowned when hearing an erotic moan from Princess Aishia. Every man who hears it will melt and rise in desire. But not for Ziel, instead he felt annoyed because it could be misinterpreted if someone accidentally heard it.

"Princess please don't let out such an immoral moan." Ziel said seriously.

"Whaa...what are you saying!? What immoral do you mean!?" Princess Aishia was embarrassed and angry at hearing it. Her face was reddened.

"Please calm down Princess, focus on remembering and repeating the flow of mana what I did. My mana will lead your mana. Because this kind of control is very difficult and requires a very large number of mana." Ziel again warned Princess Aishia.

"Then the amount of your mana is very...?" Princess Aishia tilted her head involuntarily asking Ziel.

"What?" Ziel asked indifferently.

"No... Nothing." Princess Aishia instantly realized her mistake.

Time seems to pass so quickly. And outside it's almost early in the morning. Ziel release Princess Aishia's hand and sighed deeply. He ran out of mana because he was doing this treatment. The amount of mana which he can take out in a state of his power sealed was extremely limited. So he was a little pushing himself and right now his body was exhausted.

"Aah..."

When Ziel releases her hand, Princess Aishia felt something was missing. Ziel just looked at her and ignore it. He prepared to leave this room. But before going, Ziel said to Princess Aishia.

"This is just the initial treatment, we will do this treatment in the next few days. For now, only I can do the treatment for you. Only people who know the condition of your body, have a large amount of mana, and have extreme control of mana can help your treatment." He explained in a tired voice.

"Is that so? So you'll be back tomorrow night?" Princess Aishia asked in a low and shy voice.

She didn't know how she was feeling right now. But all she knew was that she couldn't wait to meet the person in front of her again tomorrow night.

"Yes, But you don't have to worry. I'll find a way that you can do your own treatment." Ziel replied without knowing the true intent of her words.

"That's not what I mean..." She said in a barely audible voice.

"What did you say, Princess?" He didn't understand what Princess Aishia meant.

"No...nothing." Princess Aishia immediately shook her head in embarrassment. She hid half of his face with a blanket.

"And please keep this secret from anyone including the King and Queen. That's my second condition." Ziel said his other conditions of her treatment.

"Yes, I promise in my name as the first Princess of Argaint Kingdom." Princess Aishia promised seriously.

"Then I excuse myself first Princess." He left and walked towards the door.

"Ah..." Princess Aishia reached out her hand to hold Ziel's shirt. But Ziel was already in front of her bedroom door. As he was about to come out, Ziel said softly.

"Good night Princess," Ziel said softly that only he and Princess Aishia could hear.