oh, a broken wrist? super understandable. I don't blame you. don't worry, I had other games to keep me occupied.
as for her, yeah makes sense, and I can Jirou being reminded of his own sister in some respects when talking to her. but yeah, a few things will be happening because of Jirou learning this. also I should come up with a clan symbol for the Ishikawas. like a paper crane, that seems fitting.
Edit: I admit, my first plans have been kind of derailed with Nozojo's suggestions, but I think I can now set up even more of a powder keg with them.
Edit 2: NOTICE: I will be gone from Friday to Sunday for three days for a family near-christmas thing, and will not be able to respond until then, just letting you know.