If you don't participate, you can't join the company. It's a must! The annual pre-employment training has begun again this year. A female college student who has received a job offer and has never watched adult videos was asked to try out the popular intercrural sex project with her father and daughter. The father is confused by the naughty game taught by a veteran senior employee, and the daughter is embarrassed. It was supposed to be intercrural sex, but in the end it turns into incest sex!?