Sotoba no Kijin

The Demon who commits endless acts of tyranny, Takeomi the Fallen. Shoutarou Murata, the Ronin who set out to subjugate him was actually Takeomi's son. Along his journey, an unknown vengeful spirit appears before Shoutarou, insisting that its help is essential to defeat the Fallen, but...?

(Source: MANGA Plus)

Sotoba no Kijin was published digitally as an English simulpub as The Demon of the Stupa through MANGA Plus.