The Fallen Hero Reincarnates as the Demon King's Son-Chapter 3 - 2 - Sisterly Love

"Look, Mom! Caliste can finally walk!" Aleia shouted with a huge grin as she watched her little brother take his first steps.

"Wow! He learned how to walk in barely five months! Isn't that a record in the family?"

It had been around five months since Caliste had taken over this body, and things were progressing smoothly.

He had learned most of the basic skills that any human should have. At only five months old, Caliste was able to talk, write, and walk. He couldn't run yet, but that was only because of this body's limitations.

His nightly errands to the library had paid off since one day, his mother finally understood his intentions and decided to read him bedtime stories.

However, what Caliste had never expected was the content of those stories. They were stories from his generation, from the battle that had taken place more than one hundred years ago.

The first time he heard Ava talk about that time, the hidden rage inside of Caliste surged. And it only became worse as the days passed, and Caliste heard more and more stories about his past "friends."

After betraying him against all odds, all of his friends lived happily ever after. Almost all of them became the kings of their races.

Alek, King of the Humans.

Lexi, Queen of the Elves.

Thorin, King of the Dwarves.

Darla, on the other hand, disappeared, leaving no trace behind for more than one hundred years.

All of them became important figures while Caliste suffered in a dark abyss with no way out.

When he learned about what had become of them, Caliste had only one goal in mind: to take revenge on all of those bastards.

They didn't deserve this life. None of them deserved it, especially with what they spread about Caliste's actions as a hero.

He was depicted as a traitor, a womanizer, a disgusting human being who never tried to save the world but only worked toward his own goals.

Lies.

Every single one of those things was a lie.

Just thinking about it made him clench his fists.

The revenge he would get would be even sweeter than he had expected. However, Caliste was still far too weak.

Every day, he would breastfeed from Ava, slowly becoming stronger.

The vitality he gained increased his growth, making it possible for him to walk at only five months. However, he was still far too lacking.

He had only managed to reach level 4 in five months.

'I need to find another way to gain experience. Breastfeeding is way too slow. I need to combine it with something else.'

While breastfeeding didn't require a lot of effort from Caliste, this growth rate was far too slow for his standards.

Now that he had learned about his past "friends," it was important for Caliste to become powerful as fast as possible.

-Ding!

[You have learned how to walk at a record pace.]

[You have gained +3 Agility.]

It was nice to gain stats from such a small accomplishment, but Caliste shook his head.

'I need something else. Give me something to make me stronger, faster.'

He wasn't sure if the system could comprehend his thoughts, but he hoped so. After all, the system was pretty much the only way for him to become stronger.

'Status.'

[Caliste Henry]

[Level 4]

[Stats]

[Strength: 1]

[Agility: 4]

[Vitality: 57]

[Mana: 0]

[Skills]

[None]

[Curses]

[Corrupted Mana Circuit: Your body is greatly weakened. Your stats are reduced by 80%. Your dick is also unable to become hard.]

Because of that curse, everything about Caliste's daily life had become much more complicated. Just walking now caused most of his muscles to ache, even with 57 Vitality. It was something that should never happen.

And the worst thing about it was the fact that no matter how hard Caliste tried, he could never feel the mana surrounding him.

There was also the fact that he couldn't even use his dick. It wasn't a big deal right now, but if he didn't get rid of it in the future, he could say goodbye to sexual intercourse...

While his stats were great if you removed 80% of them, it wasn't as impressive. That's why it was Caliste's number one priority to get rid of this curse.

But even now, he had no clue how to do so.

"Good job, Caliste! You're learning so fast!" Aleia said as she grabbed Caliste and hugged him.

'Hm, even if I'm cursed, this family is honestly the best,' Caliste thought as his face was pushed into two soft cushions.

[The system takes pity on you.]

[You have received a quest.]

[New Quest - Sisterly Love]

[Become closer to your sister using any means possible.]

[Progress: 56%]

[Tip for completing this quest: You should become closer "physically" with your sister.]

[Reward: ???]

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Caliste read the tip and smirked.

He instantly understood what he needed to do. The system didn't need to explain anything else.

Still, the task was bound to be a little complicated because of how obsessed Ava was with him. She would barely let Aleia hold him, often taking Caliste from his sister's arms.

"Hm, it's getting late. I think it's time for you to go to sleep!" Ava said.

"M...ommy..." Caliste suddenly uttered in the cutest baby voice he could manage.

"Yes?" Ava was immediately surprised to hear Caliste, slightly bending over to get to his height. "Is something wrong?"

Caliste looked away from his mother's eyes and began playing with his thumbs.

"I-I was... thinking... could... I... sleep with sister Ale tonight?"

Caliste was able to speak, but he was still not great at it. After all, he was still extremely young. However, this struggle only made him look cuter.

Ava looked sad for a moment, her shoulders slouching.

"Oh... you don't want to sleep with Mommy anymore?"

He shook his head. "T-That's... not it. I-I just want... to be closer to sister Ale!"

Caliste gave her the cutest baby look possible, hoping deep down that his mother would accept his offer.

After all, by sleeping with Aleia, it would be extremely easy for him to complete this quest. He would just have to get "fed" by his sister.

"Hm..." Ava looked up and met Aleia's gaze, who looked like the happiest she had been in a while. "What do you think? Can you take care of him tonight?"

Aleia nodded excitedly. She was over the moon.

'Little brother chose me over Mom! Yes! I knew he liked me better!' She celebrated in her mind.

"Of course, I'll make sure to take care of him! If he needs anything, I'll handle it. Don't you worry, Mom!"

Caliste smirked as everything was going according to his plan.

[Quest Progress: 56% -> 79%]

Even the system seemed to agree.