Nagasaki Soyo had a very gentle personality.
She grew up in a single-parent household. Her mother had to shoulder the responsibilities of protecting the family and being its financial support, which meant she played the "father" role in a traditional family.
As the daughter, Soyo was supposed to have a warm and happy childhood, but her considerate personality made her voluntarily take on the role of caring for her mother, providing her with a spiritual safe haven and necessary emotional support.
This was also the reason why Soyo, despite her young age, had an air of a supreme widow. Because all along, her role in the family had always been that of the "mother."
Although she was occasionally tsundere and stubborn with her words, deep down, Soyo was still like a gentle and considerate little mom, most importantly, she yielded to kindness rather than force.
Seeing Mortis forcefully kiss the boy she liked right in front of her, of course Nagasaki Soyo was angry.
Or rather, if a girl could still laugh in such a situation, unless it was from laughing in extreme anger, she must have some kind of unusual fetish, right?
However, grievances have their source, and debts their owner.
The one who forcefully kissed her boyfriend was Mortis. Soyo couldn't possibly vent her anger on Mutsumi.
Although in essence they shared the same body, they had their own consciousness and couldn't be lumped together.
Looking at the green-haired girl in front of her, slightly lowering her head, with those soft eyes full of unease and apology, Soyo stayed silent for a long time but in the end didn't say much.
After all, this wasn't Mutsumi's intention.
Moreover…
Deep in her heart, Soyo still believed that Mutsumi turned out this way because she had been provoked.
If she hadn't deliberately shown off, making Mutsumi feel a crisis of being abandoned by her brother, Mortis wouldn't have been born.
But understanding was one thing, her mood was still like she'd drunk a whole vat of vinegar, so sour it could pickle cucumbers.
After all, her boyfriend had just been taken advantage of, and she couldn't even scold the one responsible. Instead, she had to consider the person's feelings because she was sick.
The brown-haired girl looked at her boyfriend with a wronged expression, bit her lip, and could no longer suppress her aggrieved thoughts.
She grabbed Kaito's wrist all of a sudden and said shyly, "I suddenly remembered… there's something I want to tell you."
"Hmm?", Kaito looked at Soyo with some confusion. The girl's blue eyes flickered evasively, and her ivory-like delicate face flushed with a thin blush.
"A-Anyway… it's very important, okay?"
'If you're just going to say something, then say it. What's with the blushing like a bubble teapot?'
Still, he didn't refuse. He told Mutsumi to wait in the living room for a bit, then followed Soyo back to the bedroom.
———
Click~
The door closed casually.
Kaito turned around, just about to ask what was the matter, when suddenly, a soft, delicate body pressed into his arms. A faint, pleasant scent of essential oils wafted over, followed by a pair of soft, snake-like arms wrapping around his neck.
"So mad…"
A dreamy whisper echoed right beside his ear, like sweet breath after rain falling on his cheek, like insect antennae tickling the entire world's itch.
"Mortis… just kissed you," The girl's voice was full of resentment, "How… did it feel?"
'Soyo… is jealous?'
Kaito thought for a moment but didn't answer the question. Instead, he just stroked the girl's soft, light-brown hair, the scent of sandalwood curling around his fingertips.
"You can do that too."
Soyo didn't lift her head, burying her pretty face into his chest like a plant absorbing sunlight.
After a long time, a muffled voice came out, "…Not enough."
"What?",bKaito didn't quite understand what she meant at first.
"I said, it's not enough," Soyo finally raised her face, biting her lip in grievance. In her blue eyes, it seemed like flames were burning.
Just a kiss wasn't enough to quell her anger.
She wanted something deeper, something more intimate, to completely erase Mortis's presence.
Although the timing was a bit rushed, and the environment wasn't absolutely safe. They couldn't go too far, and maybe there wasn't enough time anyway.
But there was still another way.
The girl's pretty face reddened slightly. She gently tucked the hair behind her ear, then slowly crouched down, "At least, um… let me first… collect some interest…"
———
["Mutsumi, let me out right now!"]
[Living Room]
Wakaba Mutsumi sat quietly on the sofa. She picked up the mango juice on the coffee table and sipped it through a straw.
In her mind, Mortis in the consciousness space was still desperately trying to regain control of the body.
["I really know I was wrong! I won't do anything so offensive to Onii-chan again! So please, Mutsumi, let me out! I still want to talk to Onii-chan more!"]
Taking advantage feels good for a moment. Afterwards, it's straight to the graveyard.
Finally grounded by the main personality, the big teacher Mortis was at last behaving.
Her personality was always like a child's, and her mindset wasn't even close to mature. Naturally, she wasn't a match for the serious Mutsumi.
The girl with pale green hair lowered her lashes and silently replied in her heart.
'No.'
The personality named "Mortis" was honestly too extreme.
It would be fine in private, but to do something like that in front of Soyo. Wakaba Mutsumi didn't want to hurt anyone, even less see Soyo show a sad expression because of her.
So, before Mortis could mess everything up, she had to put a stop to it.
["I've always been trying for our happiness!"]
Mortis gritted her silver teeth, fists clenched tightly, ["Mutsumi, you'll regret this!"]
Wakaba Mutsumi remained silent.
But it was exactly this kind of unspoken calm that made Mortis feel powerless.
Still unwilling to give up, she tried once more, ["Mutsumi, aren't you even curious? What do you think Soyo dragged Onii-chan back to the room for? What are they doing now?"]
The girl's cool eyes flickered slightly, but she still didn't speak.
Curious? Of course she was. But compared to satisfying her own curiosity, she didn't want to be disliked for spying on her brother's secrets.
["Are you really content being just an observer forever?"]
["Just satisfied with being a little sister, not even daring to make a slightly more intimate move, is that what you want?"]
["Mutsumi, if someone is going to marry Onii-chan someday, why can't it be us?"]
["Don't you… want to have Onii-chan's child?"]
The voice in her mind was like a witch's murmur from a fairy tale, full of soul-stirring temptation, making Wakaba Mutsumi's eyes look a little dazed.
She stayed quiet for a moment, then softly said—
'I'm already… very satisfied.'
Mortis: "..."
Mutsumi's reply made her faint from anger.
Perhaps because she'd lost all hope, she completely gave up after that.
The inside of her mind fell silent again, but Wakaba Mutsumi didn't feel happy about it.
She just silently cast her gaze toward a door not far away, that was the bedroom.
'Onii-chan and Soyo…'
'What exactly… are they doing now?'
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