Hi! Thanks for reaching out in the comments section.
We keep these ideas on our future roadmap, and once implementation becomes feasible, they will be put up for a vote.
Preset characters are a slippery slope for an indie development due to licensing and rights issues. However, some workarounds might be introduced in the future.
As for breast interactions: you can interact with them using toys or the mouth. Double-click and hold on the breasts while using the mouth to trigger kissing to pull in the desired direction.