Third-year sales employee and big-titted office lady Haruka Motoyama. Her sexual preference was abnormally extreme—she had an insatiable craving for blowjobs. This compulsion began with swallowing cum during client entertainment, escalated into masochistic sex with her boss, progressed to blowjob services for customers, and eventually turned into consecutive blowjobs for her coworkers. Word of Haruka's blowjob obsession spread through the office, drawing the attention of lustful vendors. Soon, she became their sex slave and cumdump, descending endlessly into depravity. A blowjob-obsessed office lady's oral sex story, depicted from multiple perspectives. This is the complete account of how her fate became utterly twisted.