"That's it. Alchemist Cookie had reached a wall in her study of red grape alchemy. But eureka! A shipment of new grapes from the overseas republic arrived right on time! Ummm... One hasty experiment led to another, and now Alchemist Cookie is... light green. The green color does suit her well, but... Isn't that a rookie color?! Not acceptable!"
This Costume displays no special cosmetic effects besides changing Alchemist Cookie’s outfit.
Name in Other Languages
- Korean: 실험 실패로 염색된, silheom silpaelo yeomsaegdoen
- Alchemist Cookie's Rookie Mistake Costume seems to give her a white grape motif in place of her normal red grape look.