テーマソング「天下無敵の忍び道」

テーマソング「天下無敵の忍び道」 is a exuberant song by 「私」(CV:悠木碧) with a tempo of 147 BPM. It can also be used half-time at 74 BPM or double-time at 294 BPM. The track runs 3 minutes and 26 seconds long with a F♯/G♭ key and a minor mode. It has high energy and is very danceable with a time signature of 4 beats per bar .