Thank you!
I'm planning to give boobs more attention in the story, and in general really. I had a lot of concepts to introduce in the demo so I had to keep things simple in the current version!
There will also be rank up events after characters rank up. A couple are already written and will be implemented in the next big update, but every character will have these in the final release! Of course, some will be more in depth than others, with more attention being given to the main characters. I'll do my best ^^