Yun, along with Hifumi, is the character that is showing a lot of development and evolution in the plot in this second season.
I have to agree with you there. For some reason I tend to go for the girlier girls so I love Yun, she's so cute and I love how she decorated her corner. That is not to say I don't like Hifumi, I share her pain off having a hard time talking to people.