oh but there is no doubt lots of J-pop vibes in this OP.
However, it might also change over the time, just like how the first EP was (not flat creepy fortunately). lyrics and screencaps will probably help too.
at least, it doesn't sound like messy ALI PROJECT and other stuff and fits quite well the mood of season 2 (well at least for the moment
)
also curious about how the ED will be though considering the name, it looks like it won't be engrish.