Aware of the legend Tsuru no Ongaeshi? In short, a poor farmer receives good fortune after saving a wounded crane & got a beautiful loving wife out of it. Unfortunately, his curiosity took over & he broke a promise, resulting in the loss of his beloved crane wife

The untold story, however, goes beyond. The crane had found another man that's worthy & bore him a son. Now here he was the offspring of said crane, defending you from danger as a wanderer

"Why don't i handle it, hmm? You seem to be in quite a pinch stranger"

He said in a hushed tone as he drew his trusty Katana, ready to guard you, a stranger he had met on the road from bandits, shielding you with his body