Become the Ruler of the Daemons

A few hours later, Princess E'Athar and I were lying naked on the bed.

"… I still think this is wrong."

"Really?" I asked with a shrug. "Well, it's already too late to regret it."

"And whose fault is it?" Princess E'Athar glared at me before rolling her eyes and sighing exasperatedly. "Well, it was nice at least."

I chuckled and kissed her cheek, making the princess smile back.

But then, her expression turned complicated.

"… Actually, I was not talking about that."

I fell silent briefly, before letting out a small sigh.

I don't need to be a genius to know what she was talking about.

"You don't need to feel guilty, Princess. It's not your fault that they died."

"B-But, it's a fact that I betrayed them. W-What if… What if I don't plan this with you, then-"

"Then, I would have killed each and every daemon in the army."

The princess was stunned.

"You are misunderstanding something, Princess." I put on a serious expression and looked straight into her eyes. "The only reason that some daemons managed to escape today was you. If you would have not been here, I would have made sure that none of them could return to the daemon empire alive."

"T-That is…"

"You should not feel guilty. Quite the opposite, you saved many of their lives. Nobody, not even you, have any right to blame you for the deaths of these daemons."

The princess's eyes were opened wide.

Actually, anyone could see that my words were sophistry. Just an excuse to make the princess feel better.

But it was not completely false.

If the daemon princess would have not been here, perhaps I would have slaughtered the entire daemon army.

Aware of that, the princess smiled wryly.

"I don't know if I should feel better after hearing your words."

I chuckled and kissed the princess's lips, making her turn slightly red with embarrassment.

"… Right, the girl that fought against me, who is her?"

"Do you mean Rose?" I asked.

"Yes, her. She is very strong. Was she hiding her strength? Otherwise, why is someone with her cultivation so strong?"

"Well, her situation is slightly complicated."

"Complicated?"

I smiled mysteriously, but I did not continue explaining.

Rose's situation as the hero of this world is pretty unique. A normal person would find it hard to understand.

As the Main Character chosen by the world to go against this world's demon king (calamity), her strength would only grow more exaggeratedly with time.

At this rate, her strength will surpass the fifteenth layer before long.

Unfortunately, not even that will be enough to take care of the coming calamity.

She would need to be one hundred thousand times stronger than that if she wants to have the slightest chance of defeating that unknown Immortal.

Well, I'm in this world, so the situation is not so bad.

Seeing that I did not want to explain Rose's situation to her, Princess E'Athar did not continue insisting. She instead hugged my chest and put her head on my shoulder.

"… Hey, when are you leaving?"

"As soon as I settle the situation here. In two or three days probably."

"Is it so?" Princess E'Athar nodded calmly. However, I could feel a slight gloom in her words.

Suddenly, she gripped my arms and looked at my eyes with a complicated gaze.

"… Hey, Claus, am I going to see you again? I mean. I am a daemon princess, and you are a human prince… After this, we will find it hard to meet again."

So this girl is worried about this, huh…

Well, normally, her words would be right. In fact, a relationship between us should not have started in the first place.

Unfortunately, there is no turning back now.

Well, it's not as though I care about things like that.

With an amused smile, I turned around, looking straight into the daemon princess's eyes with a gentle smile.

"Do you think you can escape from me so easily?"

"Huh?"

"I wonder how our children will look. I prefer girls. I don't want boys competing for your love with me."

"Huh!?"

"Well, if you want a boy, I don't mind then."

The princess was dumbfounded. She looked at me with an are-you-crazy expression while wondering if I lost my mind.

I could not help but chuckle again when I saw that.

"Didn't I tell you before? I don't mind marrying you. In fact, I gladly would take you as my wife."

The princess was stunned.

"W-Wait, but, o-our races…"

"Stop caring about that. I like you, and you like me. That is enough."

A stupefied expression appeared on the princess's face, but then, she smiled wryly and sighed.

"… It's not so easy… Neither your father nor mine will allow it… And even if we escape together, they most likely will send their strongest powerhouses after us."

"Then, we need to find a way to make our marriage possible."

"… I don't think that something like that is possible."

"It is." I chuckled. "If you become the ruler of the daemons, who will dare to oppose you? As for my side, I can assure you that nobody will oppose us if I marry you."

The princess was dumbfounded.

For an instant, she did not know how to react. After hearing my words, the only thing in her mind was that I was crazy.

But then, she thought about a future like that.

Immediately, her eyes lit up.

"That…"

"It looks like you like the idea as well, huh?"

"… Even if I like it, it's impossible. Father is still young, and unlike my older siblings who are competing for the throne, I have neither a foundation nor a faction that can support me if I want to become the next daemon emperor."

"But you have my help."

"That is…"

"Besides, do you remember what we talked about before? About someone manipulating the higher-ups of the empire secretly to start this war and accomplish his or her goals."

The princess fell silent.

Of course, she remembered it. In the first place, that was the main reason she agreed to cooperate with me.

"… You said that it's an existence trying to destroy this world, right?" The princess spoke up after remembering our first conversation.

"I did. And it's true." I said with the most serious expression I could make. "Back then, I told you that we needed to stop this war if we wanted to stop that existence. But that is not enough."

"… Do you mean, we can stop that existence if I become the daemon emperor."

"No. Even that is not enough."

"Huh? Then–"

"But it will help."

The princess fell silent.

To be honest, my words sounded crazy. Normally, she would have not believed me.

But for some reason, Princess E'Athar felt as though she could believe my words.

She did not know it, but it was an effect caused by the slave seal I put on her during our first conversation. Due to it, she feels compelled to follow my orders and believe my words even if I don't force her to it.

However, it did not mean that she trusted me completely.

"… Can you tell me about that existence? At the very least, I want to know what we are facing."

I thought for a moment before nodding.

"Very well, as you wish."

Then, I started to tell her a story about Immortals.

About the powerful existence trying to destroy the world, and about the people trying to stop it.

Of course, I did not tell her the entire truth and instead mixed truths with lies, but this should be enough for now.

When I finished my story, the princess's eyes were wide open.

A few minutes later, she put on a determined expression.

"… I understand. I agree."

"Perfect." I nodded. "Then, we should start by putting an end to this war."

....

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