As you are washed down Serene's esophagus with the sweet water from the Water Gourd, you try to swim against the current, though you already know it's too late, you just couldn't give up like that. But despite your efforts, you are still pulled along for the ride.
And although you didn't know it, your course wouldn't be what you, or even Serene, thought. Because of the strong pull of the rushing sweet water in her throat, you would end up in Serene's bladder, instead of in her stomach, and thus avoid digestion.
When the water finally entered a large chamber, which you thought was the stomach, you fell a little ways into the deep pool forming inside. When you resurfaced, you were covered in not only the sweet water, but now a foul smelling liquid as well.
You tried to cover your nose. Ugh, this smells like horse pee... You thought. And then reality set in. By some miracle, you had been saved from digestion. Now all you had to do was wait until she peed, and you'd be able to get away.
You waited for several hours, treading the foul stuff in order to stay afloat. But then finally, you felt a new current being formed from below. You knew it was time, and dived down, hoping to get out with the current as well. And soon enough, you had been pulled into the flow.
It took only a few minutes to reach the waterfall of urine that she was releasing, and then you splashed through it, landing in a puddle of urine, but glad to be out of her body. Serene finishes her buisiness, splashing you with some more yellow liquid, and then walks away, never knowing that you had escaped feeding her body.
You look around a little bit and find a stream to wash off in. When you finally think that you've washed the stench away, you see that it's getting dark now, and you'd need a good place to spend the night. However, you realize there are no trees to climb into, or anything like that, so you just walk on for now.
When it's finally too dark for you to see, you decide to just sleep out here in the grass. So you lay down, the grass providing some protection from being seen, and fall asleep.
Little did you know, that something else would be making you it's midnight snack.