Work Text:
Giyuu sat in the empty room at the Butterfly Mansion, rain tapping steadily against the windows. Kanao’s words still lingered in his mind from after the battle: how Shinobu had carried the burden alone, her plan to end the demons, her sacrifices. He had known the outline, but not the details. Not the depth of what she had carried.
She did everything alone, and I never noticed. Not truly.
A small envelope lay on the low table before him. Plain. Neat. Unmarked. He recognized the handwriting instantly—careful, precise, deliberate.
Her handwriting. She is here, even if she is gone.
Giyuu hesitated. His thumb hovered over the flap. Every instinct told him to stop. To leave it closed. To preserve the memory of her the way it had been. Perfect. Calm. Untouched.
But I need to know.
Slowly, deliberately, he opened it. The paper smelled faintly of wisteria, faintly of her. The first lines carried her voice, teasing even in her absence:
“Tomioka-san,” it began, “I’m sure by now you’re frowning just the way I imagine. Don’t deny it. You know me too well.”
He felt a flicker of warmth in his chest, though the weight of loss remained.
Even now, she teases me.
The letter continued, calm and measured:
“By now Kanao has probably told you everything—what I planned, what I chose, what I carried. I need you to know that I made those choices on my own and I do not regret them at all. I am sorry, truly, for not speaking to you more, for not letting you in, for making you think I did not trust you or care. I only wanted to protect everyone in the way I knew how. My smile may have been fake, my hands busy, my words few, but my thoughts were often of you.”
Giyuu’s fingers tightened on the paper. He remembered those moments—her faint paleness in the mansion, the subtle tension in her shoulders, the tiny, precise movements he had dismissed as habit.
She carried it all alone. I didn’t notice. I didn’t ask. I didn’t speak.
Her tone softened but still carried that sharpness only she could manage:
“And yet, Tomioka-san, I admit I liked seeing your brows furrow when I teased you. Do not think I was entirely serious about everything. Even in this letter, I will not let you off so easily. You were stubborn, infuriating, impossible, and I would not have had it any other way.”
He let out a low, quiet breath. His lips twitched in the faintest semblance of a smile.
She’s still teasing me. Even now.
Giyuu read on, each sentence carefully constructed, explaining her choices, her plans, the reasons she had hidden everything. The sacrifices she made, the quiet burdens she took for all of them. Every line was deliberate, precise, yet laced with care.
She trusted me without saying it. She thought of me. Even then.
“I hope,” the letter continued, “that you can forgive me for not saying more, for leaving so much unsaid. You always made it easier for me to do what had to be done. Even if you were stubborn, infuriating, and silent, I noticed. I always noticed.”
Giyuu lowered the paper, letting the words linger. Silence filled the room except for the gentle tapping of rain. He pressed the envelope lightly to his chest.
She thought of me. Even in her last letter.
The weight of it pressed down on him, steady and heavy. He did not cry. He did not shout. He simply sat, letting the quiet ache fill him.
She was gone, and I had never spoken enough. I had never told her anything I truly felt. I had never asked how she was, beyond the missions, beyond the work. I should have said more. I should have noticed more. I should have let her in.
He took a slow, measured breath and finally stood, slipping the envelope carefully into his pocket. He could not re-read it, could not dwell on the teasing, the apologies, the explanations. He carried it now—not physically, not just as paper, but in the part of him that still remembered every detail of her.
The sudden ringing of his phone made him flinch. Tanjiro.
He looked down at the screen, thumb hovering. He could not answer immediately—not while the letter still smelled faintly of her, still held her voice, still carried pieces of her he had ignored for too long.
Not yet. Let me feel this first. Let me let it settle in me before I speak to anyone else.
Finally, with a quiet, measured exhale, he pressed the call button.
“Tomioka-san?” Tanjiro’s voice was bright, anxious. “Are you okay? Me and Kanao have been trying to reach you—”
“I’m… fine,” Giyuu said, voice low, steady, calm on the surface. But inside, the ache remained. The quiet grief, the weight of her memory, the sting of every word in the letter.
And maybe that’s how it should be. Maybe that’s what she wanted. Quiet. Calm. Always.
He took one last look at the envelope in his pocket.
I will carry it. Quietly. Always.