When Harry took the train to Hogwarts for the first time, he met Ron and Hermione on the train. They immediately became friends with Ron and refused to insult Ron on the train. Malfoy. Originally Harry and Ron didn't like Hermione, but after they experienced the troll incident with Ron and Hermione, the model student Hermione actually lied to Professor McGonagall for them. From then on, the three of them became good friends. friend. Harry met Cho during a Quidditch match against Ravenclaw in The Prisoner (Cho was Ravenclaw's Seeker).

As for Ginny, when Harry first arrived at platform nine and three-quarters, he met the Weasley family, including Ginny