These are mostly my observations and interpretations of scenes that may suggest romantic implications between Yuu and Mika.
(I also enjoy writing analyses or random commentary outside of the ship, so when that happens, you'll find a * symbol in the...
I did a bit of thinking, and I noticed a few things regarding the title of the song.
There are 9 letters in the word "scaPEGoat." The middle three are capitalized, so they stick out.
This looks very similar visually to how Mika is standing directly in the middle of the screen, surrounded by his shadow.
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Around Mika, the light glow, representing the lower-case letters, is starting to retreat until the shadow, the upper-case letters, takes over the whole screen. The shadow only grows bigger at this point, suggesting that ever since he took the role of the "scaPEGoat," darkness was engulfing his life, and to him, everyone covered by this shadow is part of the greed for power and should be ashamed of themselves. That is, until the shadow stops at Yuu and quickly retreats.
Here's another thing to notice: we can see the word "Go" in the word "scaPEGoat," which may be a reference to when a dying Mika urged Yuu to just go run away without him and finally escape Sanguinem.
