The memories of growing up in the Izumi household didn't fade with the synchronization of his past life's memories. Now that he had his superpower back, he had to repay the Izumi family.
As for how exactly he would repay his bro-con sister and son-con mother, that was a story for another time.
Wait a minute. Kanzaki Saku suddenly realized that in this reversed world, to outsiders, wouldn't this be seen as a sis-con younger brother and a pervy father?
It felt like the kind of relationship that could get you in trouble if you weren't careful. This world was truly fraught with peril; even within his small home, two different kinds of kinks had emerged.
Kanzaki Saku, whose associative thinking was incredibly strong, started looking at Izumi Sagiri a little strangely.
However, Kanzaki Saku was a tolerant person. No matter how niche the kink, he could accept it!
So, Kanzaki Saku gently patted Sagiri's head. "It's fine. The students at school 'take care' of me quite well."
"'Take care'?" Sagiri's brow furrowed immediately, her eyes turning sharp in an instant. "Who 'took care' of you? Boys or girls? How did they take care of you? Did they get close?" She fired off a series of questions, her tone laced with obvious acidity and vigilance.
"It was just normal looking out for each other," Kanzaki Saku said dismissively, brushing it off.
"I don't believe you!" Sagiri pouted, stomping her foot lightly. "Onii-chan, you have a strange scent on you! Is it perfume? Or did some shameless woman rub up against you?"
Sagiri used the opportunity to dive into Kanzaki Saku's arms, nuzzling and sniffing him like a small animal. This high-intensity interaction actually allowed her to pick up a strange odor.
Sagiri's expression began to show displeasure. Based on her decade-plus of zero-distance intimacy with Kanzaki Saku, she could confidently say that her brother had the lingering smell of intense exercise on him.
At the same time, there were at least three scents that didn't belong to her brother. She recognized one of them—it belonged to that Yukinoshita Yukino, who called herself his childhood friend.
One of the women Izumi Sagiri hated the most. Just because she'd gone to school with her brother for a few more years, she always acted like their relationship was something special. It was truly infuriating.
By that standard, her brother had enough childhood friends to line an entire street. What kind of unique advantage was that?
When it came to a one-of-a-kind relationship, it had to be her, his only little sister. In the end, brothers are born to be with their little sisters!
Watching Sagiri's jealous fit, Kanzaki Saku found it quite amusing. He reached out and ruffled her soft silver hair, comforting her, "It's really nothing. Look, aren't I perfectly fine?"
At first, Sagiri squinted like a cat being petted, enjoying it for a moment. But then, as if remembering something, she shook her head to get his hand off, her tone playfully indignant. "Onii-chan, don't try to fool me! Tell me, did a strange woman get her hands on you?"
"Alright, Sagiri," Kanzaki Saku chuckled helplessly, letting her hug him. "Let's not talk about this for now. I'm hungry. What delicious food did you make today?"
"It's all Onii-chan's favorites!" At the mention of this, Sagiri's attention was successfully diverted. A bright smile returned to her face, but she still held onto his arm tightly, half-dragging him to the dining table.
"I made pork rib soup, and I got the heat just right! And your favorite fried chicken nuggets!"
She listed the dishes as if presenting treasures, all while carefully observing his expression, her face practically saying, 'Hurry up and praise me.'
Kanzaki Saku sat down and watched Sagiri busily serve him rice and dishes. Her big eyes remained fixed on him, sparkling, the undisguised possessiveness and affection nearly overflowing.
He picked up his bowl and tasted the pork rib soup Sagiri had so highly recommended. The broth was rich and perfectly seasoned; she had clearly put a lot of effort into it.
"It's delicious. Thank you, Sagiri." Kanzaki Saku put down his bowl and offered his gentle approval.
"Hmph! As long as you know!" Sagiri immediately lifted her chin, though her words were still sharp. "So, Onii-chan just needs to let Sagiri take care of him. Those wild women outside don't know how to treat Onii-chan well at all!"
Kanzaki Saku watched her proud and jealous display with a silent laugh.
This rather heavy "sibling bond" seemed far more interesting than he had anticipated. Perhaps, while weaving his web of relationships at school, the connection at home was also worth "cultivating" properly.
Dinner ended with Sagiri's attentive feeding. Just as Kanzaki Saku put down his chopsticks, Sagiri immediately leaned in, her big eyes staring at him without blinking, clearly not having given up on her earlier questions.
"Onii-chan," she placed her hands on the edge of the table, leaning forward, trying to intimidate Kanzaki Saku.
"You still haven't explained yourself. What exactly did you do at school? How did you get so sweaty? And that woman's scent..." Her nose twitched slightly again, as if trying to reconstruct the scene through smell alone.
"Don't you dare lie to me. My nose is very sensitive!"
Kanzaki Saku smiled to himself. Dealing with a little l0l! like Sagiri was easier than a superhero dealing with a little girl.
"It's just that I haven't been out in a long time. I felt a bit exhausted after just a little running around, so I sweated a lot." He raised a hand to rub his shoulder, his tone slightly self-deprecating.
"Looks like my body still needs to slowly get used to it."
The explanation was logical. The suspicion in Sagiri's eyes softened, but her doubts weren't completely gone. "What about the woman's scent? Did that Yukinoshita pester you again?!"
"Alright, Sagiri," Kanzaki Saku interrupted her barrage of questions at the right moment, a nostalgic look on his face.
"Feeling all sticky is pretty uncomfortable. Speaking of which, it seems like we haven't taken a bath together in a long time, have we?"
"T-Take a bath together?!" Sagiri's train of thought was instantly derailed by the suggestion.
Her aggressive interrogation stance from moments ago crumbled, replaced by a mixture of shyness, surprise, and anticipation.
"Yeah, didn't we used to bathe together all the time? It seems like we rarely did after my health got worse." He expressed a perfect amount of regret.
"I've been recovering well lately and can even go to school, but going out still feels a bit tiring. I was thinking of taking a bath to relax. Want to join me, Sagiri? You can help scrub my back."
"Help... help Onii-chan scrub his back..." Sagiri repeated in a small voice, her mind already conjuring certain images, some of which made even her neck turn pink.
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