>>681238fun fact: all the hololive originals are in fairly different styles and melodies, so one or several songs will appeal to you more than the others
daily diary is a feel-good song and the melody and lyrics are stuff you'd find in a slice-of-life OP
the only one that kind of stands out from the rest is ad truck because it has a fairly interesting progression for the chorus, but even then it sounds like it could fit for an anime ED
>>681331well that's because each of the cover songs sound like they could fit in the OP or ED of an anime, in case you didn't think about it