That evening, Kook left abruptly – a curt text mentioning an urgent family matter. Tae lingered in her empty office, the silence echoing. Rules echoed in her mind: ‘Only my cock.’

But the stillness was oppressive. The ghost of Han’s brutal thrusts, Jung’s relentless tongue… memories flared, hot and demanding. Restlessness crawled under her skin like ants. She needed… more. Slipping her phone into her purse, she walked towards the Biology wing.