Protocol: Rain

S9aiR

SennaRin
OP11 anime

Quick answer — "S9aiR" by SennaRin is the opening theme of Protocol: Rain.

🎵 Where you've heard it

OP1
Protocol: Rain (2023)

Frequently Asked Questions

What anime is "S9aiR" from?

"S9aiR" by SennaRin is the opening theme of Protocol: Rain.

Who sings "S9aiR"?

"S9aiR" is performed by SennaRin.