SDMU-010+ [Men and women met for the first time and had sex on the spot, they were in a hurry, touching each other and were very excited] + A couple who were dissatisfied with their sex life applied for SOD for the first time + Married parents met and started having sex immediately!! + They continued to swing their hips even after the scheduled return time + Recording, observing and reporting one-time, passionate, unprotected sex