Leaving Hartford in 1986, Lorelai Gilmore left more than a city behind - She left someone behind . Cassie Gilmore-Hayden, the forgotten sister, spent a year with her maternal grandparents Richard and Emily. before her father, Christopher Hayden, took her under his wing, supported by his parents, Francine and Straub. Together, they gave Cassie the love and care she lacked from Lorelai. Though Cassie was aware of her mother and twin sister, she deliberately kept her distance. Cassie excelled at Chilton Academy in Hartford, while Rory attended a small-town high school. Rory's sights were on Harvard, while Cassie aimed for Yale. Her life was curated to perfection - loyal friends, her dedicated father, adoring grandparents, and Yale beckoning. With her mother at arm's length and her twin sister in the dark, Cassie felt no need for them. Her world was self-contained. That was until she found out Rory was transferring to Chilton. Oc x Tristan Dugray