Furin wo Koukai Shitemasu

Sakai Tooru is a young office worker who, despite being married, has been having multiple affairs. One day, after lying to his wife that he was going on a business trip but actually spending time with a lover, he wakes up to find a bomb around his neck. He is told to livestream his adultery. If the views drop below 5, the bomb around his neck will blow. Scared, he calls his affair partners one after the other. What is the criminal's purpose?