罂粟花冠 (Yīngsù Huāguān)

Background
"Yīngsù Huāguān" is an original Luo Tianyi and Kagamine Len song by JUSF. It is a sister song to 向内生长 (Xiàng nèi shēngzhǎng) and 乌合之众 (Wūhézhīzhòng). While Tianyi sings in Mandarin, Len sings in a made up language accompanied with Chinese lyrics.

This song has exceeded 100,000 views on bilibili.