She said outright that Takagi isn't her type, much to his dismay.

I don't think their relationship is that broken. According to Azuki's mom, his father was a Judo champion. I think that added a bit of insight into his father. It makes some sense that he's stern and traditional. At the same time, it also supports his trust in his son's willpower.

I liked the smile you just see as he drops the phone from his face. He's really proud of Saiko for not backing down and chasing after his dream. He probably won't ever say it, but he is.