Unfortunately, the current version is a visual novel with no freedom of choice at all.
The elements you mentioned are planned to be included in Chapter 2.
We're aiming for a release around September, so it might be worth keeping an eye on it.
Yes, we're currently researching a method to manage the body and head separately in order to implement that feature.
Ultimately, it's clear that everything you're hoping for will be included.
It aligns perfectly with the direction I envision for the game.
(It was inspired by a heavily modded adult-mode Skyrim.)
However, please understand that due to the size of our team, we won't be able to develop it quickly.