SOD female employees cum with a 150,000 rpm super high-speed electric vibrator (30 times faster than before)! In their quest for the electric vibrator that will stimulate them the most, the girls themselves become human guinea pigs. (2021)

[Nakayama-chan and OG employees are climax! ] SOD is also focusing on the development of toys for women. However, due to the influence of the new Corona, sales of the entire company decreased. Development costs have also been significantly reduced, and it has become necessary to quickly create hit products. The female employees in charge will act as monitors themselves and challenge the development of ultra-high-speed rotating electric machines in pursuit of the best pleasure.