Spent some time poking around and noticed that for Hirono Ryouta (Sakunami) you still have his age listed as unknown, but his Twitter lists his brithday as April 28, 1998, which means if that's correct we do know now. I know Dateko's old news, but thought I'd let you know. Also the link to his Twitter doesn't work (I'm so sorry, I know there's been a lot of that lately). Also curious if you update the ages for old cast, or just leave it as their age when they played the character?
I really do think that every time I fix a link on a page somewhere, Tumblr’s coding fucks up the update and it messes up a link somewhere else. All of these links were absolutely working when I made the original cast pages.
As for updating ages, I admit to not keeping up with that diligently as I don’t update on actors when they stop being a part of Haikyuu. I keep up with current actors’ birthdays so that I can make those birthday posts, and then I’m reminded to go update their age on the cast pages, but I don’t really mess with it for non-current actors. I can do a sweep at the end of the year so that everyone is current for the end of 2017, but that’s not something I usually think to keep up with.