Continuation of the story.
Added collectibles cards.
Tsunade new lewd event (animated).
Shizune new event.
As suggested, a text saying "No more content for this version." will be displayed in the stats panel for the girls you've reached the end of the content.

You can now talk to Sakura in the office and flower shop.
You can now talk to Shizune in the hospital.
Updated the tutorial.