愛惜ヒエラルキ (Aiseki Hierarchy)



Aiseki Hierarchy is a song sung by Len Kagamine with Rin Kagamine doing the chorus. It is the eighty-ninth track in Other Vocaloid Songs 12: Mostly Rin Volume 2 and the one-hundred-and-fifty-third track in Other Vocaloid Songs 26: Mostly Len Volume 2.