At the fleshy worksite, worker Yuzuki Marina continues to captivate various foremen through her duties at the titty-fuck workstation, skillfully delivering satisfying service every time. However, one day, she becomes a victim of sexual harassment by a senior coworker. In a deserted alley, her breasts are exposed and relentlessly groped. Returning to the worksite, Marina is forced into hands-on extra-large-breast sex training. Even the company president sexually harasses her during night shifts, leaving her no choice but to respond with accidental titty-fucks. Surrounded by juniors enchanted by her perfect size, shape, and squishy texture, she generously provides them relief. With her voluptuous body and charm, Marina remains an irresistible presence to many.