Overview:

Join breasts of the same size to make it a bigger size♪
1. Drop the breast to the desired location.
2. Bump the same size breasts together to make them bigger.
3. If the breasts fall out of the container, the game is over.

The bigger it gets, the more points you can earn, so aim for a J cup!
My breasts are shaking
The bigger the breasts, the more they move.
I gasp when my boobs get bigger

Other elements
There are two stages in total
There is a ranking by stage