Satoshi, a husband who works at a securities company, has made good results in stock trading and has been promoted to the main branch. Satoshi's good luck charm is now a countdown. His wife Himari is proud of Satoshi for completing the trade, counting "10, 9, 8...". However, his senior colleague Yoshimura is jealous of Satoshi. And while Satoshi is counting "3, 2, 1... zero" at work, Yoshimura visits Satoshi's home and violates Himari. While counting "5, 4, 3..." until he cums inside her...