My stepsisters are sexy demons, and I must protect them-Chapter 53: The result of four months of intense training

«Ugh... don’t you think that, ever since Hakuto started those special lessons with Mom, he’s been preferring her over us...?» Rika mutters, turning toward Yuzu.

They’re naked, lying opposite each other in a tiny bathtub — nothing like the huge one they had back in Ashiya, where they used to live until four months ago.

Truth be told, the whole house feels like a dollhouse compared to the one they had before.

It’s a small two-story cottage, isolated in the middle of the Estonian steppes, far from any roads or towns.

Downstairs there’s a kitchen, a bathroom, and a living room.

Upstairs, the bedrooms.

The move wasn’t just for money — Kagura doesn’t earn seven figures anymore — but mostly to stay hidden, in a completely anonymous place.

«You think so...? I don’t really see it that way,» Yuzu replies, tilting her head with a puzzled look.

«Actually, ever since Mom started teaching him all those tricks... mmmh, big bro has gotten even more amazing!»

She’s clearly excited — she starts bouncing on the spot.

«Y-Yeah, I’m not denying that...»

Rika blushes.

The moment Yuzu says ’tricks’, her mind gets flooded with all those memories.

«...but still... between the training with Shin and all those extra sessions with Mom... he doesn’t spend as much time with us as he used to...»

«He’s doing everything he can to protect us, in case some bad guys show up. And he tries to make us feel as good as we deserve... and instead of being grateful, you’re seriously complaining? I didn’t think you were that selfish, sis...»

Yuzu scolds her sharply.

Rika lowers her gaze, ashamed.

«Y-You’re right, Yuzu... Hakuto is doing so much for us. I really feel bad for saying that...»

At that moment, Yuzu suddenly jumps to her feet.

Her big boobs jiggle like pudding, with water and foam sliding down her skin.

«Instead of whining, it’s time we repay big bro for everything he’s done!»

Rika lifts her gaze, waiting to hear what Yuzu has in mind.

Yuzu jumps right back into talking, her excitement unstoppable.

«I already have a couple of fabulous ideas to remind him he’s got the best sisters in the whole world!»

Yuzu’s eyes shine with mischief.

«The first one... well, I’ve actually been planning it for a while. I even commissioned something that should arrive soon. It’ll help us become as skilled as Mom.»

A perverse smile spreads across her face.

«As for the second idea... Hakuto’s almost done with his daily training — that’s when he’ll find our special surprise!»

♡♡♡

Hakuto’s cries of effort and pain echo across the empty land around them.

He grips a large flaming sword in his hands, more flames bursting from his body.

No diamond sword.

No armor.

Shin gave him strict orders: fight using only the Sacred Flame.

«You should know, son. I wasn’t called the strongest Monster Reaper in the world for nothing. I didn’t rely on strange magic or fancy crystals — just the good old Sacred Flame. And during our training, you’ll do the same. One thing at a time. Once you’ve truly mastered it, I’ll introduce you to someone who can teach you how to control your crystal way better than I ever could.»

Those were Shin’s words, spoken on the very first day of their serious training — four months ago.

Training has paid off — and not just for Hakuto.

After losing his dominant arm, it was anything but easy for Shin to learn to fight using only his left.

It wasn’t just about power — it was about balance, precision, and rhythm.

Only now, four months later, has he begun to adapt.

He’s created his own fighting style — one that makes up for the arm he lost.

Still, deep down, he knows he’ll never be as strong as he once was.

Hakuto rushes toward him.

He swings his flaming sword in a flurry of strikes.

Shin parries them one by one — but with visible strain.

It’s not just the missing arm that makes it hard — the truth is, even with one arm, Shin could’ve taken down the Hakuto from four months ago.

But now, the boy has changed — he’s gotten stronger. Much stronger.

«You’re really making great strides, son. No doubt about it...» Shin says, giving a tired smile.

«Not to brag, but it looks like my skills as a teacher haven’t faded at all — even after nearly twenty years without teaching.»

«Dad, instead of bragging, you should focus on the fight. Don’t want the student to surpass the master too quickly!»

Hakuto spots what looks like a weak spot in Shin’s stance — a gap in his defense.

He goes for it.

He aims low, targeting his father’s legs to throw him off balance.

Shin smirks.

«You should focus more on the fight, too.»

«What the—?!»

It was a trap.

What looked like a clumsy mistake was a calculated bait.

Shin lured him in — and the moment Hakuto struck, he met a hard knee right to the face.

Hakuto goes flying backward, hitting the ground hard.

Blood gushes from his nose.

«You did that on purpose...» Hakuto mutters— he presses his fingers against his nose to stop the bleeding.

«Tricks of the trade,» Shin replies. «See? Your old man still has a few lessons left in him. Your strikes were fast, precise, coordinated — I couldn’t counter them directly, so I forced you into that exact move. Clever, right? Don’t I deserve some applause?»

He lifts his chin, puffs out his chest, and even claps for himself.

«Ugh... if only you could take things a bit more seriously sometimes...» Hakuto grumbles.

«Life’s too short to take it seriously all the time,» Shin says with a grin. His sword of white flames fades into thin air. «I’d say we’re done for today.»

«What? Already? It’s still early! I want to train more! I’m not tired!»

«You’re not, but I am!» Shin mutters while stretching his back. «I’m not young anymore. At my age, you’ve got to pace yourself. Come on, your sisters are waiting to patch you up.»

Over the past few months, Hakuto hasn’t been the only one working hard.

Rika and Yuzu have been training with Kagura, too — learning healing magic that uses the special properties of succubus saliva to treat even serious injuries.

Now, sore and more tired than he wants to admit, Hakuto bursts into the bedroom he shares with them, and...

«R-Rika... Y-Yuzu... what the hell are you wearing?!»

Both girls are on all fours on the big bed the three of them share — wearing nothing but thongs with little black cat tails and matching cat ears on their heads.

Their bare breasts hang freely, swaying and brushing against each other like slow, heavy pendulums.

The moment Hakuto opened the door, they started meowing.

They pressed their bellies to the mattress, mimicking purring cats, and even moved their hands like little paws.

Rika is blushing deeply — clearly uncomfortable.

Yuzu, on the other hand, is trying her best to look seductive... but she can barely hold back her laughter.

«Big bro, we’re your little kittens... meow. And you’re our bowl of milk... meow. Don’t be shy — come here and let us lick you... meow,» says Yuzu, her voice awkward and shaky.

Rika stays silent, curled up just a little.

~Like a cat in heat, huh?~

That thought — Rika, dressed up like a sexy catgirl — brings back a memory.

Hakuto suddenly remembers what Itsu told him on his first day at Tsugumi.

~I wonder how he and Chantal are doing... they’ve only reached out twice in four months...~

«What are you waiting for, big bro...? Meow! Come over here... meow!» Yuzu urges him, her voice full of playful energy.

Then, she turns to Rika.

«Big sis, say something too! It’s no fun if I have to do everything!»

«H-Hakuto... c-come here so we can heal you...» Rika murmurs, blushing even harder.

«A cat wouldn’t talk like that!» Yuzu scolds her.

«Cats don’t talk at all...» Hakuto mutters back.

Then Hakuto pulls off his shirt — leaving only his thick padded pants, necessary in the chill of the Estonian autumn.

He lies down on the bed.

Yuzu doesn’t hesitate for a second — she pounces on him like a cat catching its prey.

She curls up at his right side, her fingers gripping his waist, and begins licking his neck.

Then his chest.

His nipples.

Slowly, she moves down to his abs.

As soon as her initial shyness fades, Rika joins in.

She starts licking his face, focusing especially on his nose — where the bleeding hasn’t stopped.

Rika’s saliva is a soft pink — lighter than Kagura’s.

Yuzu’s, on the other hand, is a much deeper pink, almost red — and far more potent.

It heals faster and better than both her older sister’s and even her mother’s.

Shin explained that Yuzu’s saliva works so well because of her strong vampiric side.

It carries the regenerative properties typical of vampires.

That discovery thrilled Yuzu — before learning that, she felt kind of useless in battle.

But now, knowing she can heal even serious wounds in seconds gave her a huge boost of confidence.

Their tongues glide over Hakuto’s skin, leaving colorful trails of saliva.

They move lower, then lower still — licking like cats lapping from a bowl, mimicking feline movements with surprising precision.

They go further down, until—

«B-Big bro, it feels like... like you’re enjoying this healing more than usual...» Yuzu pants, her chest pressing against something growing beneath him.

«Maybe that’s because you’re both completely naked...» Hakuto replies with dry sarcasm.

«We’re not naked — we’re dressed as sexy kittens...»

«Wearing a thong and cat ears doesn’t count as a costume,» Hakuto replies, smirking.

Rika says nothing.

She moves suddenly, grabbing his waistband and pulling it down in one swift motion — freeing what was trapped beneath.

With her mouth slightly open and tongue out, she leans forward and gently licks the tip.

Then she takes nearly all of it into her mouth, deep into her throat.

Pink saliva drips from her lips, sliding down the length of his cock.

Rika begins to move her head up and down — slowly at first, then deeper, faster.

Hakuto’s hands rest on her head, gently guiding her rhythm.

Meanwhile, Yuzu lies beside him.

She leans in, and their lips meet.

It’s a slow, passionate kiss — unhurried, deep.

Just like Kagura taught him that night... and keeps teaching him.

Thanks to her, Hakuto can now confidently call himself one of the best kissers in the world.

His technique is so refined that Yuzu’s pussy gets soaked almost instantly.

Hakuto keeps his left hand on Rika’s head, guiding her gently.

His right hand slides down between Yuzu’s thighs — slipping into her thong without hesitation.

He touches her with perfect precision, stimulating her clit in ways she didn’t even know were possible just weeks ago.

Yuzu’s moans — soft and shaky — are muffled by his tongue.

«B-Big bro... you’re so... you’re so... aaaaah...»

She squirts hard, soaking the mattress beneath her.

At the same moment, Hakuto climaxes in Rika’s mouth.

It spills from the corners of her lips as she smiles.

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