But Marisa, can't you just use magic mushrooms to brew a breast expansion potion?

Mettan said:

But Marisa, can't you just use magic mushrooms to brew a breast expansion potion?

Or just use potentially shady medicine from Eirin.

Or get Yukari to fool around again.

Or bust some Moriya shrine conspiracies.

Or templates like that are forbidden.

grow and shrink is a common thing in magic. or not?