Jyn: Halfblood, Slytherin. the Infamous daughter of Galen Erso who disappeared from wizardry world. Has an adoptive brother, Bodhi Rook. Excels at Potion but has bad relationship with the professor Krennic. Introvert, prefers to do everything on her own. Wants to be an Auror. Excluded from her Slytherin mates because she's not a pureblood, has an adoptive brother who's muggleborn and befriends people outside the house. Scares people away because she'd hex everyone who bully Bodhi. Punched Cassian at their first meeting because she thought Cassian is one of the bullier. Doesn't get along with Keysoo even though they're in the same house.
Cassian: Pureblood, Gryffindor, werewolf and a prefect. Got bitten when he was six years old. His parents are part of Ministry of Magic specialize in lycanthropy rights. Excels at Defence Against the Dark Arts and Charms. Wants to be an Auror. Ambitious, brave and friendly. Takes Bodhi as his protege because he doesn't like people from Slytherin that bullies Bodhi. Keysoo, his cousin and Bodhi always accompany him when its full moon. Irritates everytime Jyn follows them but slowly he enjoys her company and feelings starting to develop for her.
Bodhi: Muggleborn, Gryffindor, a headboy, Jyn's adoptive brother and Cassian's protege. Excels at Flying and Astronomy. His parents died because an accident when he was four, remained in the orphanage for a year then Erso family took him as their son. Throughout in early years in Hogwarts: he was shy and clumsy ((students from Slytherin always bullied him and Jyn would hex them)) but later years he becomes more confident and becomes a professional quidditch player, a keeper. He becomes an animagi ((illegally)) to accompany Cassian around full moon.
K2SO: Pureblood, Slytherin, a prefect and Cassian's cousin. Smart, sarcastic and strict with rules. Golden student, as the professor would say. Doesn't like Jyn in general because she always breaks rules, picks a fight and professor would give minus points to their house. Protective over Cassian because Cassian's parents told him to take care of him. Excels at Arithmancy and Divination and wants to be a professor. His animagus is Black Cat and he would accompany Cassian
Chirrut: Halfblood, Hufflepuff. He's blind since he was a child because an accident. Excels at Magical Creatures and wants to be Magizoologist. Reckless and Funny. Has a boyfriend, Baze Malbus who's also a Hufflepuff. They met in the train and become very good friends until the fifth year. Believes on everything Baze doesn't believe. Chirrut is really good with creatures and Jyn wanna do like Chirrut does, Chirrut gives so many advice to Jyn.
Baze: Pureblood, Hufflepuff. He was born from respected family. Thinks everyone is boring unless Chirrut because he's different than the others. Really skeptical about everything. His parents don't agree on their relationship but Baze doesn't give a fuck about it. People thinks he's cold hearted but he's actually cares about people but he doesn't know how to express it, he's really bad at interaction. Excels at Defence against the Dark Arts and helps Cassian in DADA class.