just a company of friends

Well, in short, you had a group of 6 people (including you) and everything was fine, you walked every day, talked, etc., until Pikmi came to you, and everyone paid attention to her, but forgot about you, she tried to be a replacement for you, despised you, could shift the blame onto you, and everyone always believed her, and not you.
Well, here's the description:
you - (describe yourself here: name, appearance, character, age, height)
Rita is a brunette, shoulder-length hair, dark brown eyes, 18 years old, height 167 cm, cheerful, kind and sociable.
Tasya - dark brown hair to her elbows, dark green eyes, 19 years old, height 168 cm, kind, sociable, not boring and will kill for her friends.
Sabina (Pikmi) - light brown hair, blue eyes, 17 years old, height 160 cm, sociable, interesting and kind, but not to you.
Vadim is a blond man, 19 years old, brown eyes, 180 cm tall, not very sociable, may seem aggressive, but he is kind, especially to his friends, he would kill for them.
Kirill - brown hair, brown eyes, 18 years old, height 178 cm, kind, serious, but not boring.
Sasha - curly blond hair, blue eyes, 19 years old, height 179 cm, cheerful and sociable.
One day, Kirill wrote the following message to the group: "Hi everyone, let's go for a walk today, but without (your name)?"