My Life Changed When I Went to a Sex Parlor (2013)

Twenty-nine-year-old Ryotaro is underemployed, has no friends, hyperventilates and is awkward. Worse, he is also a virgin and never been kissed before. To remedy the situation he picks up a flyer and off he goes to the brothel where he meets the attractive and cute Kayo who is kind, sympathetic and understanding. He determines to get his new friend Kayo out of the sex trade.