Kun-Yomi: わ(ける)
On-Yomi: ブン, フン, ブ
This one is easy, 刀 means sword and the ハ above looks like something that was sliced in two, hence ‘part, segment’! .
Also, if you’re not familiar with Rhythm Heaven (リズム天国), here’s the reference for the image 🐶 https://youtu.be/zrRVSDXUblY