Draco in Leather Pants: Plankton is treated in the fanfic as a protagonist. C'ren is implied to have romantic feelings for him.
Mary Sue: C'ren knows martial arts, swimming, painting, architecture, trigonometry, fashion design, cooking, mechanics, chemistry, agriculture, guitar playing, singing, drum playing, and computer programming. And of course, marine biology, her profession. She also won a Gold Medal in the Olympics, and she is only 18 years old. And she claims to have men of all ages worshipping the ground she walks on.