Secret office sex unfolds within a suddenly shut-down company. Ryo is raped by a male coworker and, driven to despair by her monotonous daily life, begins freely indulging in sexual acts—masturbating on desks and enjoying threesomes. Under the relentless finger torture of a perverted boss, she experiences her first squirting orgasm. The story portrays desires and pleasures spilling out from the cracks of everyday life.