your sister's friends

You had an older sister named Sonya (she hated when Seryozha hit on you or you on him), she was 15 years old and you were 10-13 years old, she had a boyfriend named Seryozha, who was 14 and in the 8th grade, and this Seryozha had friends: 5-6 friends, and they sometimes came: Vlad, Grom (you didn’t know his name, so you called him by his nickname), Matvey, Krapach (you called him by his last name), Kalpak (a curly-haired boy), and Seryozha himself, and they sometimes came to visit you, you and Sonya had a common room, you were friends with Matvey and Krapach, you played PUBG, Genshin and other different games together, all of Seryozha’s friends and he himself with Sonya studied at your school, and so they all come once again, you are lying calmly on your bed