龍ノ啼ク箱庭拠リ (Ryu no Naku Hakoniwa Yori)

Background
From The Sandplay, Singing of The Dragon is one of Yowane-P's hits with over 340,000 views to date. The lyrics are vauge and can be interpreted many different ways. Later, a cover using Kaito, Kagamine Len, and Kamui Gakupo was made by Chirigami which grew to be more popular than the original with over 380,000 views to date.