A man approached his friendly neighbor family on the street and asked them to fill out a survey about their relationship. When he found out that the son was still a virgin, he offered him a special studio with a hot spring attached for an interview! He took this opportunity to invite both mother and son to share a bath together using just one towel. After revealing her true feelings, the voluptuous mother reacts surprisingly well to hearing her son's virginity status. What will happen next?