Here is the full list of all 16 69 Megumi Love achievements.
Open up a shy pose 1
Open up a shy pose 2
Open up a shy pose 3
Open up a shy pose 4
Open up a stranger pose 1
Open up a stranger pose 2
Open up a stranger pose 3
Open up a stranger pose 4
Open up a cowgirl pose 1
Open up a cowgirl pose 2
Open up a cowgirl pose 3
Open up a cowgirl pose 4
Open up a pervert pose 1
Open up a pervert pose 2
Open up a pervert pose 3
Open up a pervert pose 4