How to become a Demon Lord: The Former Hero's Journey as a Demon Lord!

Floid went to the master bedroom and he took off the jacket he had been wearing for a long time. He threw it on a chair before he took off his gloves. And ran his hand through his white hair with a sigh.

Ka-cha!

The sound of the door opening alerted him to Rosavellt's entrance and he didn't even bother turning around to face her. A hand wrapped around his waist from behind and snaked up to his chest. Rosavellt pressed her breasts against his back and she kissed his neck seductively.

Floid took her hands away as he turned around and slammed her back it the wall!

"Ugh!"

Rosavellt groaned as she was trapped between Floid and the wall.

Floid captured her lips with his own and Rosavellt moaned as she felt her knees go weak! She wrapped her hands around his neck and held herself up as Floid deepened the kiss. The sound of the party going on outside was loud enough to get into the room and Floid could feel the vibrations passing through Rosavellt's body.

Rosavellt was still in her maid's outfit and she tried to take it off quickly but Floid stopped her as he trapped both her hands above her head. He moved his hand down and raised her gown as his fingers snaked into her panties and he thrust two fingers inside her!

"Eek!!"

Rosavellt was completely embarrassed by the sound she just let out! A heavy blush grew on her face and she tried to hide her face as she let out hot breaths, but Floid was not letting go of her hands as he thrust up again and bent his finger into her G-spot! Rosavellt's breath came out in loud pants! Her legs were wide and she could feel her knees shaking!

She was still in her full uniform and Floid felt his libido rising as he saw her succumbing to pleasure in front of him. He wanted to see more of her embarrassing side. The contrast between her behavior when she was working and when she was with him in bed was intense, and that just made it so much sexier!

<o>,m "Hah~ Hah~ Hah~ M-Master~ Master, please~"</o>

Rosavellt was reduced to a begging mess from just Floid's fingers and Floid leaned in to whisper.

"Is that really all it takes Rosa? Don't tell me you're so horny that you're even begging for it now. Aren't you just a whore?"

Rosavellt felt herself get wetter once Floid called her a whore. She gasped and her knees shook violently as an orgasm almost racked through her body! Floid felt her wetness increase on his fingers and he jammed a third finger inside in the middle of Rosavellt's orgasm! This stopped the orgasm in its tracks and prevented Rosavellt from getting relief!

"Gah!"

Rosavellt's eyes widened and she bit her lips till she bled! This is torture! Rosavellt was so close but she couldn't reach satisfaction! She wanted the real thing inside her but her master was having fun torturing her!

"P-Please... Master,"

Rosavellt was now genuinely begging and Floid felt his sadistic nature growing even more. She looked beautiful with that expression on her face. This desperation which makes her let go of her modesty and pride and reduces her to a sobbing mess.

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Floid grabbed Rosavellt by the thighs and hoisted her up the wall till his dick was positioned at her pussy. Rosavellt wrapped her hand around his head as she waited with anticipation for Floid to impale her. Floid leaned into her ear to speak.

"I shall grant you this permission just once. Say my name,"

Rosavellt felt her heart rate increasing! His name? She has never even uttered the demon lord's name before. It felt foreign in her mouth. Like a forbidden fruit that she was never supposed to say. She respected him too much to just call him by his name. But he was her master, and if he orders her to do something, she has no right to refuse.

"Please, Floid. Fuck me - Ugh!!"

Bliss! Rosavellt threw her head back into the wall and her hands tightened on Floid's shoulder as he thrust into hEr like a piston! She could feel her toes curling and her eyes were fluttering close as she finally orgasmed! She released deep pants as she came down from the orgasm and finally looked at Floid as he started to thrust into her!

Bam! Bam! Bam! Bam! Bam! Bam!

Rosavellt wrapped her hand around Floid's neck and leaned down to kiss him! Floid bit her lips as he increased his tempo! He could feel the vibrations of her moans inside his mouth and it was only driving him to go faster!

"Mmph! Mmph! Mmph! Mmuah! Master! Master, I'm close!"

Floid could feel Rosavellt tighten against him as her orgasm arrived for the second time. Her toes curled and her fingers dug into his shoulder as she came hard! Her cold pussy vibrated against Floid's dick and Floid slammed himself up to the hilt inside her as he also came!

By the time Rosavellt came down from her orgasm, Floid was already carrying her to the bed. It was obvious that she wouldn't get any rest tonight and she wouldn't have it any other way.

....

As Floid and Rosavellt lay in bed later that night, Floid stayed awake as he stroked Rosavellt's head slowly. She was resting on his chest with a smile on her face and her naked legs were entwined with his own.

"Rosavellt,"

Rosavellt hummed and immediately looked up at Floid with a smile as she answered.

"Yes, master."

"Tell me about the underworld,"

The smile on Rosavellt's face immediately died as she realized that Floid was serious. She immediately sat up to her knees as she started to speak.

The underworld was a much more complex place than Floid thought it would be. The hierarchy of the underworld was divided into nine levels. They were called levels, but it wasn't really a level. It was more like a ranking system. The higher you go in rank, the higher your position. The first to fifth levels were just monsters with varying levels of strength. The sixth rank was filled with soldiers and monsters that were generally on the same level as A-class warriors. The seventh level had warriors that were S-class and the eighth level had SS-class warriors. The ninth level was filled with those who were SSS-class and above and this is where Rosavellt was before she joined the demon lord's household.

The leader of the underworld was called the Satan, and he was at the pinnacle of all the levels. He was the strongest of all the undead and he was a GRAND MASTER rank.

"Grand Master? How high is that? Is it higher than SSS?"

Floid asked this in curiosity. He has never heard about this GRAND MASTER rank before. Floid knew that there were ranks above SSS-class, but this was ridiculous. What the hell is a Grand Master?

"Other than the classes F to SSS, there are four more ranks. EPIC, GRAND MASTER, TRANSCENDENTAL, and PHANTASMAL. Each rank had four levels that you need to rise through before you can go to the next rank, but no one has ever gotten to the final level of the PHANTASMAL rank. The former demon lord was said to be in the first level of the PHANTASMAL rank, but no one really knows if it is true. My father is in the final level of the GRAND MASTER rank and he is considered as one of the strongest entities in the known world."

[A/N: For a proper explanation and deeper understanding of the ranks, please refer to the Auxiliary chapter (Cour II)]

Floid hummed as he put his hands behind his head and looked up at the ceiling. This means he still hasn't gone anywhere in terms of power. He needs to raise the power of both himself and his household if they are ever going to go up against people that are in those high ranks. But then Floid remembered something else.

"Isn't your father in a coma because the former demon lord beat the shit out of him?"

Rosavellt squeezed her hands together as she nodded. She still remembered the fight that the former demon lord had with her father and she wished something like that never happened. Her father was a fool to think that those devils will help him. The devils abandoned him and without their help, he was no match for the demon lord.

"My father, Yahma, betrayed the demons and sought help from the devils. It was a stupid decision and when he needed them the most, the devils abandoned him to save themselves. My father was almost destroyed by the demon lord and he barely survived. My uncle is the current head of the underworld. He is an EPIC rank in the second stage. His power is nowhere near my father's, but he is barely able to keep the underworld functioning."

Rosavellt's uncle was only standing in for her father since Reginald was not old enough to handle the throne yet. If Rosavellt had been in the underworld, she was the one that would have taken the throne. She was the oldest child of the Undead King and she was the one who was supposed to take the throne after her father went into the coma, but after she left the underworld and became a servant to the demon lord the undead didn't regard her as one of their own anymore. They saw her as a traitor.