Yoriichi and kokushibo was my fav but I think Kanae had the saddest losing both her sisters to the same demon. Giyuu losing people he cared for due and blames himself for it
First time a watched this:didn't care about the song only fanart Second time a watched it:noitced all the dead hashiras who died Third time i watched this:some tears Fourth time i watched it: cries alot Fifth(right now)time i watched it:just sad