Conceptual Swap: My Happy Water Is Crimson-Gold Dragon Blood

[The Super Concept Swap System has arrived.]

[Rule: Choose a concept and bind it to yourself permanently.]

[After making your choice, whenever you drink a Happy Soda, its concept will be replaced by the item you selected. This has no effect on anyone else who drinks it.]

[Available concepts:]

[One: Red-Gold Dragon Blood]

[Two: Demon Potion]

[Three: Fountain of Life]

What will the protagonist choose?

And how will he decide when extraordinary phenomena keep appearing?