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Not sure if there is a name for the genre. They are Character songs from Yuru Yuri. So not songs that appear in the anime but songs that were released alongside the anime. Here is another one but for a different Character.

https://youtube.com/watch?v=VrUOxxZMDNM

As for the link think.
While I was camping in the Mountains in Victoria I got a portable speaker and I used Youtube Music on it. What I linked first of all was a link from Youtube Music not Youtube.