Esper Harem in the Apocalypse

"You… knew…?"

"No. I saw it," she responded with a lifeless glare in her eyes.

"Uhh… don\'t tell me you were awake when Jane and I were doing it in the chamber a while ago…"

"Yes." She shook her head in disbelief and said, "You were the only person I didn\'t want to get betrayed by."

"I can explain."

"You mean \'make excuses\'?"

"No. There is a reasonable explanation for my actions."

"Whatever you say, that all will be an excuse! When I opened my eyes, I saw you sleeping on the chair. At first, I thought I was in a dream. You looked different with your hair, and there was no way you could enter the vampire world. You weren\'t even supposed to remember me.

My body was numb, and it wasn\'t responding, but I tried my best and touched your face. It was the same feeling. I couldn\'t contain my happiness and tried to call out your name, but my voice didn\'t come out.

I was going to wake you up when I heard someone approaching the chamber. I didn\'t know what to do, so I went back to bed and pretended to be asleep.

Then, Jane walked in and stroked my forehead. I knew it was Jane because of her cold hand and her voice.

\'Rias…\' she had said.

I thought I should open my eyes and let her know that I had woken up. I didn\'t want to worry her more. But my anger returned after remembering Jane was also responsible for my punishment.

Still, I wanted to open my eyes. I was going to do that sooner or later, but when I opened my eyes… I saw something I never…

I saw Jane sucking you off! She was doing it so happily and skillfully that I knew at first glance that she was used to it.

You were still asleep, so I thought maybe Jane was the one doing that. I felt devastated after seeing my own little sister, whom I had always loved and respected, doing something like that with my lover.

I was going to yell and catch her, but then you opened your eyes. I had a little hope that you would stop her and be repulsed by it, but no. You two were in that together.

I saw you two having sex with my barely opened eyes, and… and… you both were talking so dirty.

Then you asked her a few questions where Jane admitted she was excited to have sex with you in front of you. While you… weren\'t denying any of that!

And she made a milkshake from your cum and the blood moon fruit. That was so gross!

After a while, Vriti walked in, and instead of agreeing with what she said, you defended Jane. I couldn\'t believe you were the same person I fell in love with.

If I knew I would wake up to seeing you and Jane fucking each other in front of me while I was being punished… I would prefer to stay in the slumber!" she shouted.

"Don\'t say that. I was… we all have been waiting for your awakening."

Rias clenched her chest and muttered, "I was told that Jane had used charm magic and erased everyone\'s memories of me. And not going to lie, if I knew something like this was going to happen, I would have wiped my memories of you. At least I wouldn\'t have to feel this pain."

"Come on. Why would you hurt yourself like that…"

"I have lost my trust and love for you. Please leave this world and never show me your face again."

"..."

"I hate you…" she sniffed.

Rudy lowered his gaze and uttered in a low voice: "You were right about one thing. I am not the person you fell in love with. That boy you loved was weak, meek, and a pathetic loser. And I now… I am none of that.

As you said, whatever I say would be considered as an excuse for my actions. That\'s why, instead of saying, I will show you everything. I won\'t ask you to change your mind to forgive me. That would be up to you. I might sound like an asshole for saying this, but I don\'t regret any of my actions."

Rudy held Rias\' hand in his hands and showed her everything about his past life and the current one up to this point.

"What was…. that…?" she asked with a baffled look on her face. "I don\'t understand…"

"In my previous life, I never saw you again after Jane took you and wiped everyone\'s memories. I never remembered you and spent my days alone. Later I met a girl at my university and started my new life with her. But… this time, it will be different.

In my past life, I was a pawn moving on fate\'s will. But not this time. I create my own fate, and no one can stop me.

I showed you what happened to me afterward and how I gained my powers— although I am still skeptical about accepting that experiment as the origin.

You saw my life after that point. Now, if you still think I am making excuses, then so be it," he uttered in a solemn voice.

"Okay. I understand your reasoning. You didn\'t remember me, nor were you aware of my existence. You started a relationship with one girl, then another, and more. But you didn\'t know that you were committed to me. That\'s understandable. But what about Jane? You made moves on her because you lusted after her."

"I won\'t deny that. But I love her as much as I love you."

RIas bit her lips and uttered, "How am I supposed to accept this. Everyone got their happy ending. But where is mine? I lost my lover!"

"I am still here…"

"Your first kiss, first blood sucking, first sex, everything was taken by someone else!"

"..." Rudy took a deep breath and calmly said, "Rias, close your eyes."

"Why…?"

"I am going to do something I have never done to any of the girls. You will be the first one."

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What will he do?

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Thanks, @Josh_Gall, for the gift!