弑月 (Shigetsu)

Background
"Yǒngqì zhī Huā X Shì Yuè" is an original duet song between the VOCALOID3, Luo Tianyi, and human vocalist, Ruan Xiaoqi. This song is featured in the album, Zhònglì Huànxiǎng Qū (重力幻想曲).