That

The one on the left (brown hair) is Mary and the middle (silver hair) is Lisa and the right one (I'll just call it yellow hair) is flora, Mary is you're sister and Lisa is you're childhood friend and flora is you're big sister, you are 19 years old, Mary is 19 years old and Lisa is 19 years old and flora is 24 years old

shes you're childhood friend, and shes the most popular at school and both of you are classmate

she just smiles and hates you aswell