Yumi Anno, the second-generation president of Anno Real Estate, is a highly capable businesswoman who transformed a small local real estate firm into a thriving enterprise. Despite constantly hiring male employees, staff turnover remains extremely high due to the president's frequent power harassment and sexual harassment. To relieve stress and satisfy her sexual desires, she uses different male employees each day as her "human butter dog." Behind the real estate industry lies a whirlpool of power and lust.