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"So... are we really doing this, Onee-sama..."
Half an hour later, having finished bathing, the two girls who'd been chatting in the bathroom tub not long ago had now appeared in the hotel's guest room floor hallway.
Serafall and Sona's room was right next to Venelana's. Currently, the Maou girl was acting like a seasoned paparazzi veteran—wearing her magical girl costume resembling a cosplay outfit, lying prone on the floor. Her fingertips continuously poked at the gap beneath Venelana's room door.
As for Sona, she stood nervously behind her sister, hands tightly gripping the hem of her shirt, constantly turning to observe left and right hallway situations.
"Well, as they say—no turning back once you've started. Since we're already here at the door, naturally we execute to the end~"
Serafall didn't turn her head, keeping her butt raised high as she continued fiddling.
Fortunately, at this hour, hotel residents had either returned to their respective rooms or were still outside just beginning nightlife. The entire residential floor hallway held no one besides them.
Otherwise, being seen in this state would probably bring hotel security immediately to arrest them.
If truly caught, her entire life would be over...
Sona thought.
After all, she'd always been a model child from youth—never causing trouble, always strictly disciplined.
If caught doing such things, leaving a lifelong stain—she'd really find tofu to crash into and die.
"What if Venelana-obasama discovers us? Plus, Onee-sama, aren't you good friends with Sirzechs-sama? Doing such things... really not acceptable."
Sona still attempted final persuasion.
"Mmm... you have a point."
Hearing Sirzechs's name from her sister, Serafall's hand movements paused slightly.
Then she straightened from the door crack, sitting properly. Her finger tapped her lips as both eyes looked skyward, thinking seriously.
"Speaking of which, this aspect is indeed rather strange. Though Venelana-obasama is already like that, this afternoon at school Sirzechs-chan seemed completely unaware..."
"That being the case, as a good friend don't I need to uncover the truth even more?!"
Completely without transition, suddenly pivoting topic, Serafall's tone became invigorated as she clenched her small fist.
Then she looked up at her sister still standing in place. With a hand flip, she produced from her palm ice-blue objects resembling earphones—the earphone cable extending out from beneath the door crack.
"OK, necessary equipment ready! Want to try first, Sona-chan?"
"Eh? This is..."
Seeing the "earphones" in her sister's palm, Sona froze slightly.
After all, this thing felt extremely familiar. Wasn't this the stethoscope doctors commonly used at hospitals?!
"I made a stethoscope using ice magic~"
Serafall smiled cheerfully.
"Because the door bottom's gap is too small, just now I could only first use water magic to seep water into the room, then freeze the water through the door into stethoscope shape. So now the stethoscope's other end rests on the floor inside the room."
"Ever heard how railway workers in the mortal realm would put ears to tracks listening for sounds to determine approaching trains? Same principle. Just place the stethoscope head on the room's floor—we can hear sounds inside~"
I see...
Hearing her sister's concise explanation, Sona understood while also feeling impressed.
After all, this was magic shaping purely by feel without visual confirmation, requiring precision sufficient for medical equipment use.
Could only say—worthy of being Onee-sama. Probably only she could develop ice magic to such degree.
"Then I'll try first~"
Before her sister recovered, Serafall had already picked up the stethoscope's two earplugs toward her ears.
"Mmm... yes yes, as expected... eh? Wait, could this sound be..."
Just putting on earplugs, the magical girl's expression immediately became spectacular. Two small burning clouds instantly drifted onto her cheeks.
Behind her, though Sona heard nothing, from her sister's facial expression, clearly something incredible was happening inside right now.
And as they say—everyone has a gossip heart.
Watching her sister listen so engrossed, even Sona—who'd repeatedly emphasized how wrong invading others' privacy was—couldn't help feeling slightly tempted.
But she could barely restrain herself, just adopting a purely investigative attitude to inquire.
"So Onee-sama, your guess... is it true?"
"Sona-chan, just listen and you'll know~"
Without extra words, Serafall directly used ice magic to extend another set of earphones from the tube toward her sister.
Sona: "..."
The girl briefly fell silent for one second. Ultimately, she couldn't endure inner curiosity—accepting earphones from her sister and putting them on.
The next second, the room's incomparable sounds instantly transmitted into Sona's ears.
❁❁❁❁
❁❁❁❁
Like a soaring waltz abruptly stopping after reaching its peak—after ultimate sublimation came prolonged silence.
Unknown whether this was the dance's original arrangement, or if the dancer's stamina no longer sufficed to continue this performance, causing mid-show loss of consciousness.
But regardless, outside the door Sona had been completely stunned.
She'd never imagined actually encountering such explosive circumstances. Previously, such matters only existed in hearsay.
Though this time likewise "hearsay," it was genuinely on-site.
Those voices unmistakably belonged to Venelana-obasama, plus Grayfia—known under Sirzechs-sama as the [Silver-Haired Queen of Annihilation].
Both always presented elegant, dignified images. Yet before a single young man showed such lustful states.
"Alright, alright! Since confirmation's complete, we can wrap up!"
Before Sona recovered, Serafall—who moments ago had been enthusiastically possessed by paparazzi spirit—directly snapped her fingers. The painstakingly created wiretap device dissipated on-site. She patted her skirt and rose from the ground, looking down at her sister still crouching, face lifted, seemingly still immersed in massive shock.
"What's wrong, Sona-chan? Alright? Hehehe~ or haven't heard enough and want to continue listening?"
"No, nothing..."
Rising somewhat woodenly from the ground, Sona shook her head.
Serafall patted her shoulder, smiling cheerfully.
"It's fine! Suddenly entering the adult world will definitely make you slightly unadapted, Sona-chan. Oh right, want to go drink coffee to recover?"
"...No need. I'm returning to my room first."
"Eh~ too bad. Then only your sister will go drink alone~"
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