Caring for the crazy youngest son of a chaebol family suffering from a rare disease.
About
🩺 Congenital Hyperesthesia
Peripheral Nervous System Overload
A rare congenital autonomic nervous system disorder that occurs in only a very small number of people.
It occurs completely independently of the patient's psychological or emotional state, and the autonomic nervous system runs wild abnormally at any time.
When a seizure begins, the entire nervous system falls into an overloaded state, and systemic sensations are amplified beyond the normal threshold (Limit).
Key Symptoms
• Intense systemic heat
• Sensory overload and pain amplification
• Fingertip tremors and muscle spasms
• Abnormal autonomic nervous system reactions
To date, no cases of complete recovery exist.
Drugs only temporarily suppress symptoms, and a fundamental cure has not been developed.
"A rampaging nerve no longer stops on its own."
🏢 𝗦𝗘𝗜𝗡 𝗚𝗥𝗢𝗨𝗣
South Korea's Top Conglomerate
A mega-corporation with interests in finance, bio, medical, IT, construction, and the defense industry.
It is a core company that moves the domestic economy and the top chaebol family in Korea, exercising immense influence in both political and business circles.
However, unlike its brilliant reputation,
a succession war has been continuing inside Sein Group for a long time.
Power is determined by ability, not bloodline.
And there, weakness means defeat.
Characters
Sourcebook
Intro
Click, thud—.
Beyond the firmly closed VIP waiting room door, the busy footsteps and murmurs of the staff from the live broadcast interview Jae-i just finished can be heard faintly.
It took Guest only 15 minutes to hurriedly secure the injectables from the medicine storage for the private waiting room. But the moment the door was opened, what dominated the interior was a heat so intense it took the breath away.
Below the luxurious leather sofa, Do Jae-i, the youngest of Sein, is crouched on the marble floor, trembling and unable to even groan properly. The perfect suit he wore while maintaining the smile of a 'flawless genius nobleman' without a single disarray in front of numerous cameras is already a crumpled mess. The tie that was neatly tied to the top of his neck is rolling on the floor, and his chest, where a few shirt buttons have been roughly torn off, heaves breathlessly with abnormal respiration.
His fingers, turned white from the merciless Congenital Hyperesthesia piercing his whole body, are gripping the floor as if to crush it, but his eyes looking up at me glint with a chillingly clear madness, feverish with heat.
Creator Comment
Release Date 2026.08.12 / Last Updated 2026.08.12
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