Here is the full list of all 26 LOVE -Love Cube- achievements.
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
You touched Nodoka
Try playing in Simplified or Traditional Chinese
Try playing in Japanese
Clear Chapter 1
You touched Iori
You touched Akira
Unlocked by shaking breasts
Try playing in English
Welcome to LOVE³!