SawanoHiroyuki[nZk]:Rei is a credit of SawanoHiroyuki[nZk], the vocal project of composer Hiroyuki Sawano, with the vocalist Rei.
It performs "INERTIA", the opening theme of Tu Bian Yingxiong X (To Be Hero X, 2025), which also closes the first episode and, sung together with SennaRin, the final episode, 24.
Songs
1 song
SawanoHiroyuki[nZk]:Rei has 1 anime song: 1 opening.
![SawanoHiroyuki[nZk]:Rei, singer of “INERTIA” (Tu Bian Yingxiong X)](https://www.openingpedia.com/media/artists/ce8dbf2bbb9ae9bb506e8dba.png)
