Oh well the first video is some sort of teaser of Shakugan no Shana S ending theme (which is untitled for now) which is also sung by Mami Kawada. It is not upbeat so I'm presuming this one's the ending theme and not Prophecy. And from the sounds of it, I hunch that this one's by Takase. I'm liking it because it doesn't sound boring and all -- just light-hearted pop-rock of some sort.
And this second video is the PV preview for KOTOKO's PV for her upcoming album entitled ε~Epsilon~. And IT DOESN'T DISAPPOINT!!!! @_@ I'M TOTALLY LOVING IT!!! IT'S SO TRANCE-Y!!! XDD The PV preview is also available on her Geneon Website but since you're already here, might as well not go there and press the play button, nee? *bricked by KOTOKO for straying off her website visitors*
This one sounds just like Re-sublimity-Agony dance track!!! I'm hypnotized by it!!! @___@ DEFINITELY, IT IS A HIGH RECOMMENDED one. XDDD; From the sounds of it, it looks like it'll be Takase as well because it's a higher-tempo version of Mami Kawada's epic song TRILL.
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感情: a bit hot (although it's raining outside)
音楽: "agony" - KOTOKO