No, it didn't effect his walking/running, if anything he was probably a bit lighter
I don't know about his pain levels after surgery as I didn't see him that much, but I would imagine he was sore for a while after they removed it
The pale face, black lipstick, winged eyeliner is all part of the trad goth look going back to the first gen goths from the 80's.
I don't wear foundation/powder all the time as it's not great for your skin and I'm naturally pale anyway. I always have my black Sephora liquid lipstick on though
I also have some piercings including nostril/septum and other places I won't divulge.
Hana looks pretty cool! I haven't played that game but I like her look.