Ririn, a shut-in NEET who hates being seen, finds herself working as a mascot character after her mother discovers a job opportunity. Since there's no changing room, she has to wear the costume all the way from home. When she meets her new coworker, Kudo, for the first time, he's kind to her. Ririn starts to develop feelings for Kudo, but her incredible body is accidentally seen by other male employees, captivating them as well. "She has such huge tits, let's give her a blowjob!" The men's desires erupt! Unbeknownst to her, Ririn unknowingly tempts them, but her shy and perverted nature works in her favor. Her own unstoppable sexual desire explodes, leading to a series of orgasms.