They are playing the entire games wearing masks these days, it is probably not obvious for anyone that hasn't watched them. The situation with the bleeding nose was developing for awhile, with Shibano taking the mask off repeatedly to wipe his nose until some blood can be seen. There was instant reply of it in the youtube stream. If you are interested you can watch
where the replay starts. It is not that interesting to actually watch Shibano's nose bleed but it is also the link to the live stream. As you can see it is just over an hour into the game, but Shibano also had to arrive early to clean the equipment.
Something funny was only part of the live stream and that was the "Ichiriki meter" that accompanied the live commentary.
I usually don't watch more than a few minutes of such live streams, preferring to follow on Pandanet if I'm awake / have time, it is after all often close to 20 hours in total. The stream also has the AI evaluation bar and I always prefer to think on my own before checking anything like that (I make exception for the Ichiriki meter because it's funny). The second day of these matches sometimes runs long into the morning and past noon for European time zones. It is often more fun to catch the end than it is to watch the beginning. Btw someone did mention the bleeding nose when it happened.
I'll stick my neck out and offer the correction that Shibano was white in this game, as seen on youtube.
Perhaps in the next Honinbo, or not. But certainly not in the next Kisei match.
