Alright, based on the title 'She's Dating the Gangster', we're definitely talking about the 2014 Filipino Wattpad novel by Bianca Bernardino, later published and adapted into a movie. It's a whole 'he falls first' but also 'fake dating turns real' saga, with a lot of teen drama and that classic Wattpad angst. The central duo are Athena Dizon and Kenji delos Reyes. Athena's the new girl at their school, kind of quiet but gets pulled into Kenji's orbit. Kenji's the leader of the so-called gangsters, basically the school's top troublemaker with a reputation. The whole plot kicks off because Kenji needs a fake girlfriend to make his ex, Cassandra, jealous, and he picks Athena for the job.
But it's not just the two of them. The supporting cast is pretty key. There's Athena's best friend, Coco, who provides the voice of reason and a lot of the comedic relief. On Kenji's side, you've got his friends, his 'gangster' crew, which includes guys like Lucas. And of course, Cassandra, the ex-girlfriend, whose presence drives a lot of the initial conflict. There's also Kenji's family situation that gets explored, adding some depth to why he acts the way he does. The characters all fit into that very specific early 2010s online fiction mold—heightened emotions, dramatic confrontations, and grand romantic gestures. I always found the dynamic between Kenji's tough exterior and his softer moments with Athena to be the core of its appeal, even if some of the side plots felt a bit over-the-top.