His Unwanted Heir: His to Keep
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- Parts 20
MatureOngoing3h 53m
Last published Sun, Apr 26, 2026
Dunk Natachai lived a quiet life, avoiding trouble at all costs until the day he caught the attention of Joong Archen Aydin, the university's most feared heir. What started as relentless bullying soon spiraled into something far worse. When a drunken night leaves Dunk pregnant with Joong's child, his world shatters.
A dark romance filled with obsession, possession, and an unwanted heir who changes everything.
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Not a slow burn✅
M-Preg✅
Dark romance✅
Dominating Top✅
Soft and innocent (not stubborn this time) bottom✅
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⚠️Content Warning⚠️:
The Unwanted Heir is a dark romance fanfiction that explores mature and sensitive themes including LGBTQ+ relationships, bullying, non-consensual situations (r*pe), emotional and physical abuse, violence, explicit content, and pregnancy (mpreg).
This story is intended for mature audiences only (18+). Reader discretion is strongly advised. If you are sensitive to any of the mentioned topics, please proceed with caution or consider skipping this work.
All Rights Reserved
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"Fucking... asshole..." Dunk cursed under his breath, his body trembling from the overwhelming sensations. Joong leaned in, voice low and vicious against his ear. "That's right," Joong growled, his hips snapping forward, thrusting into Dunk with increasing force. "I am fucking an asshole." For generations, the Boonpraserts and Aydins have stood side by side-two of Thailand's most powerful dynasties, bound by legacy, empire, and an unspoken promise to protect each other's interests. Now, that promise is becoming permanent through the upcoming marriage between the Aydin heir and the Boonpraserts' only daughter. Joong Archen Aydin is everything an heir should be: elegant, obedient, and impossibly perfect-the golden son shaped by legacy and expectation. Dunk Boonprasert, on the other hand, is chaos incarnate. Reckless. Sharp-tongued. The black sheep his family tries to hide behind polished smiles and public image. The two have been enemies since childhood-locked in a lifelong war of petty sabotage, brutal words, and fights that always turned ugly. But everything changes the night Dunk decides to give in to a moment's vulnerability and sleeps with Joong. His sister's fiancé. His lifelong nemesis. The one person he should have never touched.
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"Fucking... asshole..." Dunk cursed under his breath, his body trembling from the overwhelming sensations. Joong leaned in, voice low and vicious against his ear. "That's right," Joong growled, his hips snapping forward, thrusting into Dunk with increasing force. "I am fucking an asshole." For generations, the Boonpraserts and Aydins have stood side by side-two of Thailand's most powerful dynasties, bound by legacy, empire, and an unspoken promise to protect each other's interests. Now, that promise is becoming permanent through the upcoming marriage between the Aydin heir and the Boonpraserts' only daughter. Joong Archen Aydin is everything an heir should be: elegant, obedient, and impossibly perfect-the golden son shaped by legacy and expectation. Dunk Boonprasert, on the other hand, is chaos incarnate. Reckless. Sharp-tongued. The black sheep his family tries to hide behind polished smiles and public image. The two have been enemies since childhood-locked in a lifelong war of petty sabotage, brutal words, and fights that always turned ugly. But everything changes the night Dunk decides to give in to a moment's vulnerability and sleeps with Joong. His sister's fiancé. His lifelong nemesis. The one person he should have never touched.
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