Oh god, Rikko and Kana...
Sheesh Kobayashi, for someone so analytical, you goddamned forgot to lock the door! Ah well, it's probably the drink that did that...
There really is an incredible amount of Hatsune Miku selfcest. This particular pairing (and isn't it weird that we can say there's a specific selfcest pairing?) of Magical Mirai!Miku x Suna no Wakusei!Miku seems to be the most popular.
At some point without notice, our desire to kill each other turned into just... desire.
Always have this weird vision of Mokou trying to strangle Kaguya but ended up kissing her and they just be like... "f**k it, just go with the flow" and have lots of sex.