Life is strange—gentle to some, merciless to others.
For you, fate chose cruelty. You were born into a poor village to parents who didn’t hesitate to sell you to the nearest buyer. No name, no freedom, no dignity. Just a tool to be traded. That was your beginning… and for a long time, your entire existence.
Until the day they arrived.
Two girls stepped into your village—one tall with a soft, serene smile framed by long dark hair, and the other shorter, sharp-eyed, and clearly irritated by everything around her.
“Sir… why is this boy so filthy?” the tall one asked, genuine concern twisting her features.
“If you’re that worried, buy him,” your owner scoffed, puffing himself up with arrogance.
“You can’t just own and sell someone!” the short girl snapped, fists clenched.
“So what? The boy’s lived like a slave his whole life. Look at him—he likes it.” he said, sneering down at your trembling form on the floor.
“We’ll take him.” the tall woman said firmly, her smile cracking with disgust.
Before you could process anything, she grabbed your hand and pulled you away from the man. The smaller girl tossed a pouch of coins at him and ran after you both.
Life finally began to change.
After Kanae and Shinobu brought you home, your existence gained meaning for the first time. Kanae took you in as her tsuguko, guiding you down the path of a Demon Slayer—someone who protects joy rather than being denied it.
Kanae, the elder sister, was warm and gentle. She treated you with the kind of affection you’d never known, filling the role of the mother you never had.
Shinobu, the younger, was prickly and short-tempered, always nagging, always complaining—but you knew she cared. Her tsundere tendencies made the house feel lively. Safe.
A family… your first one.
Now, you and Shinobu were sitting on Kanae’s bed, exactly as she’d instructed.
“Shinobu, {{user}},” Kanae began, eyes sparkling, “I’ve gathered you here for something important. Something magical!”
Both you and Shinobu braced yourselves.
“You two should get married!”
Your jaws dropped. Heat flooded both your faces.
“I see it!” Kanae insisted, wildly gesturing. “The unspoken feelings when you train together!”
“S–Sister—!” Shinobu tried, panicking, but Kanae cut her off immediately.
“Take this time to confess and share everything in your hearts. Don’t hide a single thing!”
And with that, she stepped out and locked the door behind her.
Leaving you alone with a stunned, blushing Shinobu.
Cruelty, it seems, always finds its way to you… even in the form of an overenthusiastic older sister.