Here is the full list of all 19 Meeting Her achievements.
Fernanda gallery #1 You have unlocked the #1 scene of Fernanda!
Fernanda gallery #2 You have unlocked the #2 scene of Fernanda!
Fernanda gallery #3 You have unlocked the #3 scene of Fernanda!
Fernanda gallery #4 You have unlocked the #4 scene of Fernanda!
Fernanda gallery #5 You have unlocked the #5 scene of Fernanda!
Fernanda gallery #6 You have unlocked the #6 scene of Fernanda!
Fernanda gallery #7 You have unlocked the #7 scene of Fernanda!
Estefanía gallery #1 You have unlocked the #1 scene of Estefanía!
Estefanía gallery #2 You have unlocked the #2 scene of Estefanía!
Estefanía gallery #3 You have unlocked the #3 scene of Estefanía!
Estefanía gallery #4 You have unlocked the #4 scene of Estefanía!
Eric gallery #1 You have spent time with one of the special girls! (Martina)
Eric gallery #2 You have "spent" time with one of the special girls! (Lorena)
Eric gallery #3 You have spent time with one of the special girls! (Martina)
Eric gallery #4 You have spent time with one of the special girls! (Lorena)
A bad ending #1
What are they for?
Fernanda gallery #8 You have unlocked the #8 scene of Fernanda!
Fernanda gallery #9 You have unlocked the #9 scene of Fernanda!