I'm usually not fond of flashbacks but this one was really nice. I really liked the scene where Yumi barges into Momoko's classroom and calls out for her. Pretty touching scene and the music was really sweet.
On the mahjong battle Momoko really gives trouble to Touka with her invisibility. Getting your tile stolen after announcing Riichi is pretty frustrating which happened to Touka twice. Nodoka however doesn't seem to care. I don't think the Kazekoshi player have any trick and compared to other players in this round there dosn't seem to be anything special about her...
Favourite part of this episode