These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Atelier Meruru: The Apprentice of Arland
Canon Sue: Meruru's a rather lovable, non-annoying version. Princess? Check. Everyone instantly adores her? Check. Ability to solve everybody's personal problems? Check. Personally responsible for the entire kingdom's future? Check. Heroic Self-Deprecation? Check, when she's not trying to annoy Rufus. Stronger than any of her highly talented predecessors? According to Astrid (admittedly, not the most reliable source), check. Plucky Girl who can achieve anything and everything she sets her mind to? Double check. Gets a statue constructed in her honour? Triple check!
Crowning Moment Of Awesome: Everybody's super finishing moves. Double if you use them to win a battle, as each character gets a special theme for this and an altered attack sequence.
Les Yay: As usual. If you think Totori and Mimi going Les Yay on each other is enough in the previous game, try putting Meruru between them.
Surprisingly Improved Sequel: Generally the reaction the game's gotten on both sides of the Pacific. In Japan it was the highest-reviewed Atelier game since the original release of Atelier Marie all the way back in 1997 (until Escha & Logy took that crown, anyway), and it's the best-selling Atelier game in ten dog's ages. The reaction has been a little more varied among critics on the other side of the pond, but the high scores are among the highest the entire franchise has ever seen here by a county mile.
The Scrappy: Astrid gets a lot of this for what she did to Rorona. Little Girl Rorona herself receives this treatment, as well.