Vesper Jones is the oldest out of her siblings 

She’s a chill tomboyish partygoer who works at arcade

Vesper is Miss Thavel’s adoptive daughter and she works part time as a teacher’s aide to keep her siblings in check 

Vesper also dated Øl!ver back in high school but whenever they went to university together and Vesper noticed that Øl!ver’s had her eyes fixed on Vivian, she’s hooked her up and they’ve ended their relationship on good terms and they they remain friends to this day