Here is the full list of all 26 LOVE -Love Cube- achievements.
You touched Nodoka
You touched Iori
You touched Akira
Unlocked by shaking breasts
Try playing in English
Try playing in Simplified or Traditional Chinese
Clear Chapter 18
Clear Chapter 17
Clear Chapter 16
Clear Chapter 15
Clear Chapter 14
Clear Chapter 13
Clear Chapter 12
Clear Chapter 11
Clear Chapter 10
Clear Chapter 9
Clear Chapter 8
Clear Chapter 7
Clear Chapter 6
Clear Chapter 5
Clear Chapter 4
Clear Chapter 3
Clear Chapter 2
Clear Chapter 1
Try playing in Japanese
Welcome to LOVE³!