Let's Get It Started

Nijisanji finally learnt what autotune was on this, but not even autotune can save Scarle and Kyo's vocals. Aia and Aster feel like they're at least nice and bubblegummy but they're not good. Ren Zotto is a competent singer, and he can actually deliver with some dynamics and inflection, but I really don't care for his best impression of Adam Young from Owl City. Maria Marionette is the only person whose vocals carry through this whole song, she's actually a good singer and she's extremely underutilised.
The beat on this is actually pretty decent throughout. Nothing special to write home about but it brings a really nice atmosphere.
If you want to hear what this song sounds like with a good vocalist, Maria has a solo cover which just sounds 100x better. Still not perfect but just an objectively better song.