Armies and Warriors. And then there are the Marauders.

Echo was a sassy young woman who didn't hesitate to take risks. And maybe that's her flaw. The young lady was a risk-taker in almost everything. Echo didn't mind the rumors about her three least favorite girls. In fact, she felt smug hearing them and encouraged the rumors.
Moon was the smart one of the group. Unlike Rain and Echo, she never failed to submit assignments. As soon as she entered university, she made a resolution to keep her powers in check. Never show was her main mantra.
Rain just wanted to hide. As soon as she'd been bitten, she dreamt of being able to have the power of invisibility just like her best friend Moon. The only class she was any good at was science and technology. The only reason she got a scholarship was because she spoke six languages.
Rumor's that three people attending University of Biología Marina are in a way...magical. Prudence, Elodie, and Dollie, the Marauders' least favorite people, claims that it's them. Yet they are helpless when bad things are stirring.
The university is calm. Yet the rumor is spreading. Who are the powerful three friends?