You decided to visit your great grandparents that live for ages but still alive.They lived next to a waterfall that flows to stream of river they named it Ryzuryo Jitsu Falls

You walk into the waterfall and saw how beautiful it was beautiful it was full of fishes and plants

After seeing how beautiful it was you saw a cave you decided to see what was inside but before you can walk through the waterfall a black dragon serpent stop you

"You cannot pass the waterfall, beautiful lady" He said