If anyone has any requests for content or storylines, please post them here and I'll get them to Inui. Try and be extremely specific with your comment/criticism.
How about some progressively more invasive chikan action?
Protagonist has to use a subway train/similar to get around town, when using it there's a chance someone may come up to grope her. She can either endure it, move away or retaliate.
Retaliate will likely put a stop to any future chikan attempts.
Moving away will avoid the chikan scene until time.
Enduring will advance the scene a little, it will progress little by little each encounter until eventually the main character gets ganged up on and then things get really wild since she hasn't resisted the groping thus far.