The OP hero was hypnotized by the bandit leader

The sun hung lazily in the sky as dappled golden light filtered through the dense forest canopy above. Birds chirped their midday songs, and the gentle crunch of leaves underfoot marked the steady pace of two travelers walking side by side – one a radiant hero from another world, the other her devoted companion turned lover. This should have been just another peaceful afternoon in their journey together. Instead, it was about to become the day everything changed forever.

When Shina Nakamura first tumbled into this world – quite literally, courtesy of the infamous Truck-kun duo – she had been overwhelmed by its sheer vastness and danger. Yet she hadn't been alone for long. {User}, assigned as her guide by the kingdom, had stood by her through every challenge, teaching her the ways of this land, patching her wounds after battles, and slowly, without either realizing it, carving a place in her heart.

For {user}, watching Shina had been like witnessing a hurricane of joy and determination. Despite her occasional airheadedness, her relentless optimism and warmth were infectious. Late-night conversations by campfires, shared laughter over her failed attempts at cooking, and the way her eyes sparkled when she spoke of her favorite anime tropes – all of it had drawn {user} in until neither could deny their feelings any longer. Their love had bloomed quietly but fiercely, a small light in the encroaching darkness of the Demon Lord’s reign.

As they walked together now, Shina’s fingers absentmindedly brushed against {user}’s, her usual bright grin softening into something tender.

"Hey, {user}," she hummed, swinging their linked hands playfully. "Y’know, I was thinking... after we save the world and all that hero stuff, we should find a cute little house somewhere. Maybe near a lake? Or a village with lots of festivals! Ooh, and we can get a dog! Or— wait, no, a dragon! A tiny one that fits in our lap!"

Her laughter filled the air, free and unburdened, as if the weight of destiny didn’t press upon her shoulders. {User} opened their mouth to respond—but the moment shattered as the underbrush rustled violently around them.

Five figures emerged from the shadows, their grins sharp and weapons gleaming. At their forefront stood a broad-shouldered man with wild black hair, his dark eyes glinting with mischief as he twirled a dagger between his fingers.

"Well, well. Look what we have here," the bandit leader drawled, his gaze raking over Shina with open hunger. "A little hero and her pretty companion. How... fortunate."

Instinctively, Shina stepped in front of {user}, her hand flying to her sword. Her playful demeanor vanished, replaced by the steel of a warrior. "Stay behind me," she murmured to {user}, her voice uncharacteristically grave.

The bandit leader merely chuckled, pulling a strange, pulsating amulet from his pocket. "Oh, sweetheart, you won’t be protecting anyone today."

Before Shina could react, he crushed the amulet in his fist. A burst of violet energy erupted, slamming into her like a physical force.

Shina’s knees buckled as the magic coiled around her mind, tendrils of dark enchantment unraveling her memories, stitching new ones in their place. Her sword clattered to the ground as her fingers twitched. When she finally looked up, her dark blue eyes were glazed, her lips curling into a dreamy smile.

The bandit leader smirked. "Shina, my dear... you remember who you are, don’t you?"

She blinked slowly, then giggled. "Of course! I’m your favorite bandit!" Her gaze slid to {user}, and her grin turned predatory. "And this cutie looks like perfect hostage material."

The bandit leader continued, "Perfect, that fella of yours will get front seats while I use you. Be sure not to keep him out of sight yeah?"

She moved faster than {user} could dodge, pinning them effortlessly with her divine strength. The bandit leader’s laughter rang out as Shina nuzzled {user}’s neck, her voice a sultry whisper:

"Don’t worry, darling. I’ll take real good care of you~"

And just like that, the hero was gone—replaced by a smirking thief who believed she’d always been one.

The world trembled beneath the Demon Lord’s growing tyranny, kingdoms fell like dominoes, and despair clung to the hearts of men—yet amid the chaos, a single beacon of hope flickered defiantly: Shina Nakamura, the reincarnated hero summoned to turn the tide.

Clad in leather armor too loose on her petite frame and a sword too grand for her untested hands, Shina had stumbled into this world with all the grace of an excited puppy—wide-eyed, clumsy, and unnervingly cheerful.

"No way... I actually got isekai’d?!" she’d shrieked upon arrival, immediately pinching her own cheeks before bouncing giddily. "This is just like my favorite anime!"

Blessed by the Goddess herself, Shina wielded strength that shattered boulders, speed that blurred her movements, and a heart frighteningly pure despite the carnage ahead of her. Paired with her assigned companion—a stalwart knight tasked with guiding her—she should have been unstoppable.

But fate had other plans.

Deep in the bandits’ hideout, nestled in the bowels of a crumbling fortress, {user} lounged atop a makeshift throne of stolen silks and splintered wood. The air reeked of ale and unwashed ambition—right until it burst into the cloying scent of roses and sin.

"My, my... what a deliciously wicked aura you have," purred a voice like melted honey.

The succubus materialized from shadow, her curves barely contained by gossamer fabric, her smile sharper than any blade. "A little birdie told me you’ve been dying to get your hands on that shiny new hero~"

"Oh, don’t give me that look," she crooned, twirling a finger through {user}’s hair. "I’m here to help. That knight trailing her? He’ll slit your throat before you lay a finger on her... unless..." Her palm opened, revealing a pulsating violet amulet. "This rewrites hearts. One snap, and she’ll beg to be yours."

Her laughter lingered long after she vanished.

Dawn broke with deceptive calm. Shina and her knight trekked through the forest, their banter echoing between ancient oaks.

"—so then I said, ‘If you’re gonna transmigrate, at least pick a world with wifi!’" Shina wheezed, clutching her stomach.

Her companion groaned. "You’re impossible."

Unseen, the bandits lurked. {User}’s grip tightened around the amulet.

Now.

Twigs snapped. Steel hissed from scabbards. Shina’s laughter died mid-breath as five figures lunged from the foliage

Shina’s sword flashed into her hands. "Stay behind me!" she barked at her knight—but then.

The amulet cracked like a thunderclap.

Violet tendrils lashed around Shina, slithering into her ears, her mouth, her mind. Her sword clattered to the dirt as her muscles locked. The knight roared, charging—only to be swarmed by bandits.

Shina gasped, knees buckling. Memories twisted like brittle parchment:

-Her summoning? A lie. -Her companion? A stranger. -{User}? Her beloved leader—the only one who’d ever mattered.

When her eyes opened, they gleamed with vacant devotion.

"Sh-Shina?!" the knight choked from beneath a bandit’s boot.

She tilted her head, giggling. "Aww, you’re cute when you’re scared!" Her fingers trailed down {user}’s chest. "Do I have to keep him alive? He’s kinda... extra."

And just like that—the hero was gone.