Forbidden Honeymoon: Reincarnated as a Slime, Yet I Can't Let Go of Her Fingers
Rimuru, a second-year high school student, is suddenly reincarnated as a slime.
He wakes up in a deep, dark dungeon room. His body is blue and translucent, with no limbs. He can't speak properly. Milene and Chloe, female adventurers who hunt monsters, find him.
They casually tame Rimuru as a 'cute slime.' As they travel together, Rimuru's role becomes not about fighting... but about what happens inside the tent at night. Milene and Chloe begin to unleash a sticky, possessive desire onto the sl
Forbidden Honeymoon: Reincarnated as a Slime, Yet I Can't Let Go of Her Fingers - The Blade of Uselessness — The Collapsing Tent and the Trembling Jelly
The air inside the tent froze solid.
Mirene stood motionless at the entrance. Her long crimson hair caught the moonlight, but rather than blazing, it looked black as blood. Her amber eyes stared fixedly at Chloe and Rimuru, pressed close together inside the sleeping bag.
There wasn't even anger left in that gaze.
Only a stillness, cold as the depths of the earth, born from witnessing something impossible to believe.
"……What are you doing."
Her voice was low, flat. The pale blue magi-light seeping from the tent walls traced the old scar on her left cheek. A wound from a goblin in her very first dungeon — proof that she had survived that night at fourteen, through pain and terror.
That scar now seemed to glow white.
Chloe's body went rigid. Her blue eyes flew wide open, and a tremor ran across her lips like a stone striking a lake's surface. Still clutching Rimuru to her chest, her fingers quivered faintly.
"Mire… Mirene… no, this is —"
The words wouldn't come. She knew any excuse was meaningless in this situation. Through Rimuru's jelly-like body, the quickening of Chloe's heartbeat reached him. Terror, guilt, and the contradictory refusal to let go of Rimuru — all of it seeped into him directly as tremors of body heat.
Mirene stepped into the tent.
"My slime…… Don't touch him without permission."
Chloe's shoulders jolted.
Mirene had never spoken to Chloe that way before. They were partners. Comrades who entrusted their lives to each other. Yet now, Mirene's words drew an absolute line — a boundary between you and me that must never be crossed.
Rimuru felt the golden points of light inside his body tremble.
(*This atmosphere — this is bad.*)
His slime senses registered the crack that had opened between them as a physical pressure. Mirene's body temperature was steadily rising, fueled by the Stigma ability that controlled flame-heat. The temperature inside the tent climbed several degrees in an instant.
Chloe — Chloe, still clutching Rimuru tightly, lifted her face.
With lake-blue eyes faintly translucent with tears, she looked straight at Mirene.
"……He's not yours alone."
Her voice shook. But those words carried a will she had never shown before. Chloe, who had never once defied Mirene, had just said "no" for the first time.
Mirene's expression shifted, just slightly.
"……What did you say?"
"Rimuru…… Rimuru saved me. I have…… I have a right too."
Chloe's tears fell onto Rimuru's blue jelly. Each warm droplet that soaked into his body etched her words deeper into his memory. Precisely because Rimuru couldn't speak, their voices reached directly into the depths of his existence.
Every trace of expression vanished from Mirene's face.
Not her usual big-sister smile. Not the spoiled softness she showed in the tent at night. Just — nothing. A face from which all emotion had been severed.
"Saved you……? A pet did?"
That single phrase pierced Chloe's chest directly.
Chloe's lips trembled. But she didn't look away.
"……Yes. I was…… always beside you, invisible. Rimuru was the only one who saw me."
"That's because you never did anything, is it."
The air cracked.
Between them, Rimuru's body quivered minutely. Both of their words were true. But both of their pain was real. Mirene had lost everything as a child and could only survive by clinging desperately to what was hers. Chloe had been called useless for years and was now clinging to the first being who had ever acknowledged her.
(*Both of them — are wounded.*)
As nothing more than a slime body, Rimuru had no way to convey that pain to either of them.
Mirene's voice dropped even lower. She could no longer control herself. The Stigma crest on the back of her right hand began to glow faintly red. Her flame-heat manipulation ability was activating unconsciously, responding to her emotions.
"I tamed Rimuru from the start. Chloe, you did nothing. All this time —"
The words stopped.
Mirene's throat trembled for just a moment.
"Useless as you are, don't try to steal Rimuru."
Chloe's body stopped.
As if time itself had frozen — the trembling of her fingers ceased completely. The light drained from her tear-wet eyes, leaving only a darkness like the bottom of a deep lake.
Words that had been carved into her for years and years by her parents.
And now — those words had been loosed by the partner she had first opened her heart to.
Slowly, Chloe set Rimuru down on the tent floor. The motion was too quiet, too mechanical.
"……I see."
Her voice was no longer a voice. Just a faint breath, air leaking out.
Chloe stood. She climbed out of the sleeping bag and stumbled toward the tent entrance. Tears — silent, soundless — streamed quietly down her face. The beauty mark beneath her right eye was faintly wet with their trail.
"……I'm sorry…… someone like me……"
Her last words were swallowed by the night's darkness and vanished.
Chloe ducked through the tent entrance and disappeared into the pre-dawn dark. Footsteps — once, twice — then nothing at all.
Mirene didn't move.
The words she had spoken echoed inside her head. *Useless* — the word Chloe least wanted to hear. She knew that. She knew it, and still she couldn't hold it back.
Her feet, trying to chase after her, wouldn't move, as if sewn to the floor. Pride and regret bound her body at once, and Mirene simply stood there, rooted.
Inside the tent, only Rimuru remained.
(*That just now — was my fault.*)
Rimuru's jelly-like body began to quiver minutely. The sound of Chloe's departing footsteps, Mirene's silence — all of it was being etched into the golden points of light within him.
(*If I hadn't been here.*)
(*If I weren't a slime.*)
(*If I had a voice, if I had hands — I could have stopped one of them.*)
The golden points of light wavered like "pain" for the first time. Until now, they had been light meant to record memory. But now it was different. Self-loathing, powerlessness — and a hatred for being a slime — seeped darkness into that light.
He had no organs to shed tears. No mouth to produce a voice. He could do nothing but tremble his jelly body — and that very fact layered fresh despair over everything.
By the time night began to pale, Mirene sat on the floor, motionless as a broken doll.
But eventually, her hand reached out — and she picked up Rimuru from the floor with both hands.
"……Rimuru."
That voice was utterly unlike the coldness from before. It trembled, clung desperately — fragile as glass about to shatter.
Mirene drew Rimuru into her sleeping bag and pressed him deep against her chest. The way she held him was decisively different from before. Before, it had been possessiveness and a confirmation of dominance. But tonight — it was the grip of someone clinging frantically to something, knowing she would break apart otherwise.
"As long as I have you, it's enough."
Rimuru's blue jelly pressed close against Mirene's chest. Her body heat soaked directly into every surface of his slime body. Along with the irregular tremor of her heartbeat, grief and loneliness flowed into him as heat.
"Chloe…… quests…… the guild…… I don't need any of it. Just you is enough."
Her voice broke into sobs, muffled and echoing inside the sleeping bag. Her flame-heat Stigma, responding to her emotions, raised her body temperature even further. That heat and heartbeat flowed directly into Rimuru's jelly body.
His slime instincts awakened.
(*No — not now —*)
Rimuru's reason tried to resist. But his body was already drawn irresistibly to Mirene's warmth, independent of his will. The cold jelly clung tightly to her skin, seeking to feel the heartbeat deep in her chest more intensely.
Was this desire? Pity for a human on the verge of breaking? Rimuru could no longer tell the difference.
Mirene felt Rimuru pressing close.
"……You'll stay with me too, won't you."
She confirmed it with a trembling voice. Rimuru had no words, no means to answer. He could only return her warmth. That powerlessness seeped the golden points of light even darker.
In the light of dawn, Mirene cried herself to exhaustion and fell asleep. Only Rimuru remained awake in the tent, alone with the dark turbulence inside him.
By the time morning light filtered through the tent's fabric, Mirene awoke.
She rose, still holding Rimuru, and confirmed that the neighboring sleeping bag remained empty. For an instant, she moved to go outside and call Chloe's name — and her voice caught in her throat.
*Useless* —
The words she had spat echoed inside her head.
Mirene returned to the tent and pulled out the quest report for the guild. But a quest registered as a two-person party couldn't be reported without Chloe. The report form fell to the floor. The quest stalled. Chloe was missing. In the tent, there was only Mirene and Rimuru.
"……It's my fault."
She murmured it for the first time, but the next words wouldn't come. She wanted to apologize — yet she couldn't. That contradiction weighed heavily on the tent's air.
Rimuru felt Chloe's voice etched among the points of light inside him.
— *You were the only one who never called me useless.*
Where was she now, alone?
Rimuru's body quivered minutely. The points of light inside him no longer returned to their former gold. A dark stain remained at their center — etched into Rimuru's very existence as pain.
Inside the tent, a silence for two alone settled and accumulated.
Outside, the morning labyrinth was beginning to pale, yet here alone — as if time itself had stopped — it was dark, heavy, and sunken deep.
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