Sources and bonus timelapse: https://www.peppercarrot.com/en/miniFantasyTheater/053.html

Transcript:

Panel 1. The Adventurer and the Pink Fairy stand in front of a massive waterfall, deep within a dark forest.

Pink Fairy: "The legend says this waterfall hides a secret cave!"

Panel 2. The Adventurer looks skeptical and upset as he points the water's edge.

Adventurer: "..And you expect me to swim in that?"

Panel 3. The Pink Fairy happily holds up a small blue potion that she opens with her thumb. The Adventurer is now enthusiast to try it.

Pink Fairy: "This will potion let us breathe underwater."

Panel 4. Underwater: two fish—one themed for the first in the Pink Fairy's colors, the other in the Adventurer's colors. They swim nearby. He looks bored and a bit upset.

Fish (Pink Fairy): "C'mon, why the frown?"
Fish (Adventurer): "That's just not what I imagined..."