"Daddy, leave today's physical exam to me~"
At Eientei, the moment Kars arrived, he was dragged into a consultation room for a "game." Standing before him was Little Eirin, dressed in a tiny nurse's uniform and wearing a stethoscope, looking ready to examine him. Beside her, Little Reisen stood looking nervous and shy.
"First, an oral exam. Daddy, open wide. Say 'Ah'~"
Kars played along and opened his mouth. Little Eirin immediately slid her soft, fragrant tongue inside, swirling and licking as their saliva mixed.
"Mmph~ Daddy's oral hygiene is poor. This won't do. You'll have to come see me every day for a cleaning."
Little Eirin spoke with the serious air of a real doctor.
"Doctor, what happens if I don't?"
"If you don't, bad things will accumulate in your system and make you sick. Just look—Daddy's meat-rod is already so swollen. The only way to restore your health is to shoot out all the cum stored inside."
Little Eirin's hands were already stroking Kars's cock. Her eyes were full of excitement and obsession as she stared at the thick shaft.
"Don't worry, Daddy. For the sake of your health, I'll treat you thoroughly. First, let me do some cleaning work."
She knelt and began to lick the rod while her hands massaged his testicles, further stimulating his pleasure. Noticing Little Reisen standing dazed, Little Eirin sighed.
"Assistant! What are you standing there for? Get over here and help!"
"Ah! Oh! I... it's just the first time I've seen Daddy's meat... it's more impressive than the books say..."
Little Reisen leaned in close. Up front, she could feel the true, mesmerizing scale of the thick rod. Both girls began to lick and suck the shaft with wide smiles, attending to every inch until the cock stood even more proudly.
"The initial exam is complete," Little Eirin chirped. "Now, we must expel the semen to restore your health. Assistant, offer your pussy to help with Daddy's treatment."
"Y-yes!"
Little Reisen stripped, revealing her petite body. On her lower belly, the words "Daddy's Medical Sex-Hole" were written. She crawled onto Kars's lap. With Little Eirin guiding the rod to her entrance, she slowly sat down.
"Ahhh~ No... I can't... the feeling of Daddy's meat sliding in... I'm going to go already..."
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As the rod slid into Little Reisen's narrow pussy, her belly visibly bulged. When it hit her cervix, she climaxed instantly, spraying love-juices all over Kars.
"I'm... I'm sorry... Daddy... I couldn't hold it..."
"It's alright. Daddy is happy because your hole climaxed just from my meat. Being soaked by your juices only makes me more excited. This is going to be intense."
"I'll... I'll try my best to endure!"
But as Kars began to thrust, she immediately buckled, clinging to his neck and moaning.
"Ahhh~ the meat... it's hitting my womb... it's so good... Daddy's cock is making me go again... mmph~"
Her body shook violently as she sprayed again. Little Eirin then placed her stethoscope on Little Reisen's belly, letting Kars hear the clear, wet sounds of the meat churning inside the pussy. The squelching of the shaft against the walls and fluids was crystal clear.
"Daddy... do you like the sound of your meat in my hole?"
"I love it. Hearing it stir inside you feels incredible."
Satisfied, Little Reisen moaned louder, swinging her hips to make the sounds even more erotic.
"I'm shooting!"
"Ahhh~ Yes! Shoot it all! Fill my hole with cum... make your body feel better..."
As Kars erupted, Little Eirin put the stethoscope on Little Reisen's ears so she could hear the sound of the semen flooding her womb.
"Daddy's meat is so vigorous... the treatment was a success."