>>2788505Softening Gel/Oil increases boob/butt bounce while Hardening decreases it. It can go 3 stages in both directions.
Softening Lotion/Liquid adjusts the firmness of boobs/butt, though the results are a lot more subtle.
In the console game you had to grind for them, but in DOAX VV it's a limited time event and does something with stats. The changes do stay until you use a natural milk.
