“Haaat··· Huu··· Haeueueu···!”

    Heavy breathing echoes throughout the room.

    As if poison was spreading through my body

    My sister curled up and let out a hot breath.

    “Haaa··· This··· This is···!”

    “The effect appeared quite quickly.”

    My sister looked like she was about to struggle.

    But in reality, it was just a little bit of a struggle.

    Like a baby who can’t do anything.

    “Heuheu··· Hee··· I can’t··· go!”

    My sister looked at me as if she couldn’t believe it.

    “Hmm··· It really works.”

    “Ugh··· My body condition··· is weird···! Hehe···”

    I kind of expected it, but it still seemed pretty disconcerting.

    The fact that I couldn’t control my body properly was greater than I thought.

    It was impossible to even get up

    It was impossible to move my arms or legs quickly.

    The weakened body’s movements were so slow that they were reminiscent of a baby’s.

    “How are you feeling, sis?”

    “My body··· haat··· I feel strange because I have no strength··· sob···”

    Fortunately, it seems like he can speak well.

    My older sister looked at me with a very surprised expression.

    “Now I’ve become a baby who can’t even resist.”

    “Uuuuu···! Ah··· No··· Uuuu···!”

    He shook his head weakly, perhaps out of embarrassment.

    But even that kind of movement seemed quite difficult.

    “No, what is it? Lying like a baby, struggling.”

    Gently pull on the nipple as if scolding it.

    A faint tremble was transmitted as the swollen protuberance was teased.

    “Heee···!! Haa··· Heung···! Ha··· Don’t do that···! Heee···!!”

    “Why? Isn’t that something you’ve done often?”

    “That··· That’s right···! My··· My body isn’t moving properly···! Ahhhh···!”

    My sister waved her arms wearily.

    As if trying to escape from pleasure.

    But no matter how slow and weak her movements were, she couldn’t even slap away a single finger that was pulling on her nipple.

    “You wanted to do this, so you took some medicine, right?”

    Instead of pulling on the nipple, pinch it with your fingers.

    As if gently pressing.

    As the stimulating sensation changed into soft pleasure, my sister’s delicate body responded.

    “Heee …

    “But? Didn’t you want me to be treated like a baby and do nothing?”

    “Haaa··· Huuuung···!! Haa··· Ugh···! I··· am a little scared···! Ahhh···!!”

    That was understandable.

    There were times when I was stuck in a chair

    It was on a completely different level from having no strength at all in your body.

    I instinctively felt uneasy about my body not following my will.

    “Don’t worry, big sister. I’ll take care of you while you can’t do anything.”

    “Ugh··· I··· Really···?”

    My sister’s eyes were moist.

    The look in her eyes that seemed to be earnestly pleading was so lovely that no one could refuse.

    ‘This makes me look more like a pet that clings to its owner than like a sister.’

    A pleasant sense of satisfaction rose up in me at the sight that seemed to arouse affection.

    “Of course. That’s why I gave my sister the medicine.”

    “Haat··· Huh··· Ah··· Got it···”

    “Then I will pat you so that you can feel safe.”

    “Ah··· No··· There’s no need for that···”

    “Don’t refuse. Anyway, my sister is a baby who can’t even refuse properly.”

    I put my hand on my sister’s smooth stomach.

    And then he slowly and gently stroked it.

    “Haeee···”

    “You must be feeling good. Seeing you making that sound?”

    “That··· That’s not it··· Huh···!”

    My sister’s face was filled with shame.

    But on the contrary, her body was trembling slightly as if she was feeling good.

    “Really? If you don’t like it, should I quit?”

    He stops stroking her hand and drops it.

    My older sister flinched and let out a regretful voice without realizing it.

    “Ah···”

    “If it doesn’t feel good, you’re saying you don’t like being touched like this?”

    “Uuuuu··· That··· That’s not it···”

    “If you don’t tell me honestly, I won’t touch you.”

    As I took my hands off the boat, my sister’s eyes became more and more earnest.

    “Euuuu··· It feels good··· I want you to touch me more···”

    Sister Su-ah, who is embarrassed but honestly says that she wants it.

    A smile spread across my face at the lovely blushing appearance.

    “I’ll touch you because you told me honestly.”

    Swish— Swish—

    Gently pat your belly.

    Like touching a baby’s belly.

    When her stomach was touched while she was unable to resist, her sister shuddered.

    “Ugh···!”

    “How are you? Are you feeling good?”

    “Ugh··· Ugh···! Huh··· Haat···”

    I just patted her belly, but a strange expression appeared on her face.

    My sister’s face was a mixture of pleasure and excitement, as if her private parts were being caressed.

    Although it wasn’t a sensitive area

    It was satisfying a secret desire.

    My younger brother strokes my stomach while I can’t even control my body properly.

    Her eyes slowly changed as if they were relying on me, with a shameful yet pleasant pleasure.

    “Ah··· Heuheu···Okay··· Wait a minute··· Heuheueu···”

    “Why?”

    For a moment, a look of bewilderment appeared on my sister’s face.

    It was as if something unexpected had happened.

    “Ugh··· Ma··· I’m embarrassed to say this··· Hehe···”

    “If you don’t say anything, I’ll keep stroking you like this.”

    “Uuuuu···! Haat··· Ah··· Okay··· Oh··· I need to pee···”

    The older sister shut her eyes tightly as she confessed to her younger brother that she needed to pee.

    But when I patted his stomach, he opened his eyes again as if he couldn’t stand it anymore.

    “Haaah··· I··· Seriously··· Huh··· I think I’m going to cum···”

    “Haven’t you gotten used to it?”

    When the drug is injected into the urethra and bladder.

    There was a time when I had a hard time controlling my urination.

    But recently, I’ve gotten to the point where I have difficulty holding my urine, except for the pleasure I feel when urinating.

    “Mo··· I didn’t know···! Haa··· Is it because of the medicine I just took···! Huh···!”

    “Hmm··· As my strength weakens, so does my ability to hold my urine?”

    “Anyway··· Haa··· Huh··· Take me to the bathroom···! Ahhh···!”

    “Why are you going to the bathroom?”

    “That···What is that···”

    My sister’s face becomes filled with embarrassment and confusion.

    It seemed like he instinctively sensed my intentions.

    “There are diapers here, right?”

    “Eeee···! Are you going to use that··· again···?”

    “Or do you think you can hold it in until you go to the bathroom?”

    Gently massage Suah’s lower abdomen.

    As if urging.

    Then my sister’s pure white body twitched.

    Throb, thump

    “Haeugh···! Haa··· I··· didn’t know···! Heung··· Don’t··· press it···! Haeugh···!!”

    “Then I’ll put a diaper underneath. Now, lift your butt.”

    Lift your buttocks as if you were a baby who can’t do anything.

    And then they put a large adult diaper underneath.

    “Haa··· Uuuu··· This is embarrassing···”

    “Still, it’s better than peeing on the bed.”

    “Bu··· I’m embarrassed··· Fill it up quickly···.”

    “No, just pee like this. I’ll watch you pee.”

    There was a diaper spread out underneath my sister.

    The petals, dyed pink, were still visible.

    “Ugh···”

    My older sister looked at me with pleading eyes.

    But instead of filling the diaper, I picked up the diaper I had placed next to me.

    “Here, put this in your mouth.”

    “Being treated like a baby··· It’s embarrassing··· ”

    “As you say that, Boji is getting excited with love?”

    Until just a moment ago, my sister’s vagina was slightly wet.

    But now it was so wet it was almost shining.

    The lovely petals showed off a strange pink color.

    It was a pleasure just to look at.

    “Ugh··· Ah··· Okay, I get it··· Heuheu··· Don’t say anything··· Euhung···”

    My sister bit her lip as if to tell me not to talk anymore.

    “It suits you well.”

    Sister Su-ah, who has a pure charm.

    That older sister was soaking her vagina with her love juice while wearing a diaper.

    It was especially cute when he was munching on the toothbrush with it in his mouth.

    “Okay, then it’s time to rest, sis?”

    “Huh···!”

    Gently massage your lower abdomen as if helping you urinate.

    Gently so as not to hurt.

    “Huh··· Huhhuh···!”

    As I lightly stroked it downwards, a lewd moan escaped.

    “Okay, let’s rest, sis. Rest···”

    “Huh··· Eeeeeung···!”

    Slurp slurp

    A stream of water with a slightly yellow tint gushes out.

    Contrary to expectations, the strength of the water stream was very weak.

    The urine flowed out so quickly that it was almost like I was just peeing.

    But it actually gave my older sister even greater pleasure.

    “Huhh …

    The pleasure felt while urinating.

    That made my sister tremble.

    A weak urine stream meant that urination took a long time.

    But now it was impossible to stop urinating.

    I just peed like a baby and moaned in pleasure.

    “Huhhh···!! Euhhh···! Heuhh···!”

    My sister spurted a stream of urine for a long time.

    Then, as if she was experiencing an orgasm, her body began to move intermittently.

    “Euuung···!!! Euuuu···! Huuu···!”

    Before I knew it, the diaper was soaked with fluid and urine.

    And a lewd smell tickled my nose.

    “Good job, sis. You must have held back a lot. Looking at how much you’ve lost”

    My older sister was biting her lip with an ecstatic expression.

    I gently stroked my older sister’s head.

    “Now it’s time to do what you like the most, sister.”

    “Huh···♥”

    My sister really squealed like a baby.

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