Romaji: Kyoukotsu na Kyuusai o Matsu Minikusa niwa Hitohira no Kyouchikutou o
English: A Petal of Oleander for the Disgracefulness Enough to Expect the Facile Salvation
Konnichiwa Tanita-San/Hello Tanita-San ft. Kagamine Rin.
I think it fits your style choices very well and its my FAVORITE~