cover by B-san Himitsu -Kuro no Chikai- Alluring Secret Black Vow (Japanese)

also at My English dub is Lyrics: ひとしずくP Composer: ひとしずくP Arrangement: ひとしずくP Singers: Kagamine Rin and Len Hane otoshita datenshi wa Kegareta chigiri ni mi o yudanete Aishiatta kako de sae mo Sono te de keshisatteshimatta no Kizutsuita maigo no tenshi Yuugure no machi samayoi Kirei na hitomi o motta Hitori no shoujo to deau Me ga atta sono shunkan ni Koi ni ochita aware na tenshi wa Yurusarenai omoi ni tsunoru mama Kinki no hako o ageta Motometa mono wa egao no ura ni kakusareta Kindan no kajitsu Hito to tenshi yurusarenai koi kanaeru tame ni Subete o kowasu dake Kegarenai kokoro sutete Kimi o aishiteikirareru nara Kono hane sae kirisutete Akuma ni mi o yudaneteshimaou Shikkoku ni somaru hanayome Se