"Shuāngxiàng Jiānjìn" is an original Luo Tianyi and YANHE duet song. It also features Yuezheng Ling, who was given a "voice" and was featured as a back up singer for this song. Tianyi kills Ling out of pure jealousy and she mailed only her head to YANHE in order to imprison him. But the plan backfires as she was arrested by the police and as a result, YANHE was sent to an asylum as the experience became maddening for him. This song has exceeded 100,000 views on bilibili.