LOCK-001 LOCK-ON@Rion A Novice Schoolgirl With An A-cup Small Breasts Complex Practices Secret Sex With Her Relative's Uncle In Order To Make Her Boobs Bigger Rion Shirasaki

Rion's boyfriend told her, ``You have small breasts and you're not good at sex.''As I was walking around feeling depressed, I encountered an old man who was a relative.When she confides her worries to the old man, he says, ``I'll teach you how to get bigger breasts and how to be good at sex!'' and they decide to go to a hotel together.Although she feels uneasy about doing naughty things with her old man, Rion wants to do her best for her boyfriend and tries out various naughty things just as the old man tells her to do...!*There are no performers under the age of 18 in this work.