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"Hah!"
Takumi lifted his head, drew in a deep breath, and hurriedly turned away.
Yuki Suou's cheeks were crimson as she panted, fingertips brushing her lips, eyes shimmering with springtime heat. "That was my first kiss~ Onii-chan♡, you'd better take responsibility."
"Don't call me that so affectionately. You're making me sound like an actual siscon—now I just feel guilty!"
"Feeling guilty is better. That's the proper route!!"
"…"
Watching Yuki flip from shy to fired up in one second, Takumi was speechless.
From outside the door came Maria's hoarse, weary voice. "Takumi-nii—Yuki, get up. Breakfast."
Her voice was weak and rough; after that one line she disappeared. If this were the old Maria, she'd have barged right in to cause trouble. Evidently, Takumi's stick-and-carrot education had left a bone-deep impression.
He also had to admit: that dream demon bloodline gave Maria's body absurd resilience. If he hadn't seen it with his own eyes, even Mio wouldn't believe Maria could really… contain all that.
Takumi pulled his thoughts back and hurried to dress. Yuki, all squinty and pleased, watched openly and offered a solemn critique. "Feels like you've slimmed down again, onii-chan~ but your muscles are even tighter."
Smack! She even gave him a pat.
Takumi turned with a dark line over his face. "Are you a perv? Too much."
Hands on hips, Yuki struck a righteous pose. "What's wrong with a little sister patting her onii-chan? I heard all about you fooling around with a bunch of girls in class yesterday. And you forgot your cute little sister—just because we're not in the same class, you didn't even come find me."
As her whining turned into pouting, Takumi raised a hand in surrender. "Tell me your class. I'll come find you today."
"That's more like it. I'm in first-year Class B."
"Class B, huh—one floor down."
"Mm~ But how can it be B? With this weight, I should rate at least a C."
"…"
Since the topic swerved to her cup size, Takumi chose silence.
When the two of them came out, Mio and Maria barely reacted. Maria didn't need explaining—just seeing Takumi made her body tremble on reflex now. Mio had simply been… filled to the brim; she didn't even have the energy to get jealous.
Both girls ate with flushed faces and lowered heads; Yuki, a little guilty, kept quiet too.
A meal that should have been lively felt strangely subdued. As the center of it all, Takumi didn't break the silence. He was figuring out how to introduce Hakari and Karane to the household.
On the way out after breakfast, Maria suddenly spoke. "Takumi-nii, come to think of it—you haven't signed a contract with Miss Yuki yet, right?"
"Contract?"
Yuki blinked in confusion and looked at Takumi in curiosity.
It was about time anyway, so Takumi explained the [Master–Servant Contract] in brief. Once she grasped the basics, Yuki's eyes lit up. "Little sister and slave? Not a bad combo. But onii-chan, you're definitely a pervert—give me one too!"
Takumi truly couldn't tell if she was insulting or praising him. With a sigh, he unfolded a magic circle and, quite easily, completed the contract.
After it was done, he added, "I've improved the contract. It can develop your latent power—think of it like a game interface. You can grind, train, and level up."
As he spoke, Takumi glanced at her status.
[Name: Yuki Suou]
[Class: Student]
[Level: 1]
[Traits: Noble Lineage (Blue), Fortune's Favored (Blue), Two-Dimensional Otaku (White)…]
[Noble Lineage (Blue): A family of pedigree and influence; enjoys notable status and connections.]
[Two-Dimensional Otaku (White): Loves anime/otaku culture; more likely to attract friends with similar interests.]
"Mm. Pretty normal panel."
He summarized the data for her, prompting a dramatic wail. "Damn it! No awakened superpower? My magical girl dreams—shattered!"
"If you want to be a magical girl, it's not impossible. I've got more than one way to get you there…"
Takumi rubbed his chin. He could make that wish come true.
As for methods: one, do it personally—draw out Yuki's potential himself. Two, use a demon chess piece and turn her into a devil's familiar.
Hearing those options, Yuki really pondered it, her bright eyes sliding toward him now and then. "I'm not mentally prepared to become a devil familiar yet. Can we try the first option first?"
She flicked her tongue against her lip, expression far too sultry.
"Not now. School. Move." Takumi flicked her lightly on the forehead and was the first out the door.
Cradling her forehead, Yuki hurried after him with a pout—cute as always. Mio followed close behind; Maria headed back to her room to rest.
Trailing Takumi, Yuki immediately sidled up to Mio. "Mio, tell me—how far have you and onii-chan gone?"
"Ah… well…" Mio glanced shyly at Takumi a few times, then whispered her confession. Upon learning they'd already hit a home run, Yuki's eyes flew wide—and a sense of urgency flared.
Sharing one roof… of course they'd gotten close. Unacceptable. From today on, she was moving in—full time.
Decision made, her eyes burned with fighting spirit.
"Takumi-kun~ good morning. Heading out already?"
A gentle, mature voice drifted over. Yuki and Mio looked forward—and saw a beautiful young wife stepping out from the neighboring house to greet Takumi.
Even a suit couldn't hide Kayoko's voluptuous figure. Compared to before, she now carried a riper, sultrier aura.
Watching Takumi greet Kayoko with such easy familiarity, Mio and Yuki both felt something… off. Some instinctive alarm told them there was more to this.
But from the outside, it looked like nothing more than neighbors exchanging morning greetings.
Only Kayoko herself knew—guided by the contract's sense of presence, she'd intentionally stepped out to see Takumi.
...
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