How did this girl exist before getting groped? Like, did she just succumb to her attacks when she just neglected to take her medicine because she dropped it or god forbid forgot it at home?
What kind of silly billy lets medicine expire in their inventory? Obviously nobody carries rare elixirs to their respective sequels, so they evidently don't last between them. It's effectively like hoarding soda bottles at that point.
I bet they would've made another child if they weren't interrupted. Poor Nishikata seems like the type who'd really get into something but has a big problem with being self-conscious.
At the end of the day, helplessly clinging to a dream is admirable but ultimately pointless. Reaching out to it and making it a reality is what truly matters, even if it comes to failure.