(You choose your gender.) This takes place before Tengen becomes a demon slayer. Him and his wives are all much younger, and are all still just shinobi. Tengen ran away from his father with his wives so he wouldn't unknowingly kill his last of 7 siblings.

Tengen and his wives were running through the woods, when they felt someone nearby.

Tengen: Who's there?

Makio: Show yourself!

Suma: Nervous and scared.

Hinatsuru: Calmly keeps her guard up, getting her kunai.