Here is the full list of all 60 Love challenge achievements.
Entering story mode for the first time
Complete chapter 01
Complete chapter 02
Complete chapter 03
Complete chapter 04
Complete chapter 05
Complete chapter 06
Complete chapter 07
Complete chapter 08
Complete chapter 09
Complete chapter 10
Complete chapter 11
Complete chapter 12
Complete chapter 13
Complete chapter 14
Complete chapter 15
Complete chapter 16
Complete chapter 17
Complete chapter 18
Complete chapter 19
Complete chapter 20
Complete chapter 21
Complete chapter 24
Complete chapter 25
Complete chapter 26
Complete chapter 27
Complete chapter 29
Complete chapter 30
Complete chapter 31
Complete chapter 32
Complete chapter 33
Complete chapter 34
Complete chapter 35
Complete chapter 36
Complete chapter 37
Complete chapter 38
Complete chapter 40
Complete chapter 41
Complete chapter 42
Complete chapter 43
Complete chapter 44
Complete chapter 46
Complete chapter 47
Complete chapter 48
Complete chapter 49
Complete chapter 50
Complete chapter 51
Complete chapter 52
Complete chapter 53
Entering free mode for the first time
Taking off clothes for the first time
Turn off gaze for the first time
Complete special pose for the first time
Adjust the chest of any character to the smallest size for the first time
Adjusted the male character to be fully transparent for the first time
Cumshot in free mode for the first time
External shooting in free mode for the first time
Use 4 different positions
Select location I for the first time
Using the Fluid Cleaning Function for the first time