I think that Kana and Tsutomu would make a cute couple.
It's sad that Tsukuba was reduced to being a joke character, his background about playing other type of karuta was interesting to me.
Other things I forgot to mention:
- Sakurawa-sensei turned out to be a good character at the end of the season, I would love to see her playing since it was mentioned that she was a player before.
- Sumire started a character who I disliked but in the end she reflected my emotions during the matches with her comments
I think she has it more difficult than Taichi in terms of romance since Taichi is too fixated on Chihaya to love another person