Aika, an ordinary office lady working for a major lingerie manufacturer. After a temporary boost in company performance due to the Miku effect, rising taxes cause profits to decline. As she considers changing jobs, she faces the harsh realities of the job market. At this time, she experiences the strange treatment of being groped by her boss, and is suddenly thrust into the role of a lingerie model. The story follows Aika's struggle to advance her career while riding the waves of society.