I am Totally in Love with This Song · 6:01pm Nov 8th, 2015
It's called "Ansatsu," by Carbon Mæstro. Or アサシン if you prefer. Click "Read More" to listen.
Oh, and The Blue Rose updated something like five days ago. Did everyone forget about it or something?
オヤスミ オヨビ ゴ コウウン ヲ イノリ マス。(Good night, and good luck.)