"We're going to investigate what men want!" The female employees of the production and product departments, known for their dedication to their work, are at SOD's directly managed stores! In the streets! They pick up men to make better products! They thoroughly investigate the differences in sexual preferences and feelings between people! They're intrigued by the men's reactions! Many men have explosive ejaculations during the aggressive penis investigation! And finally... do they feel anything when they investigate using their pussies?!