There is a pink lion who is the heart of voltron and has the traits of all of the other lions. y/n finds it on earth and climbs in it which takes it to the rest of the lions. Kieth and and Shiro take an interest into her (they like her)
Everyone gets a classification when they turn 18: dom/sub, master/pet, brat tamer/brat and little/caregiver. y/n got classified as a brat and she is awaiting her brat tamers (shiro & keith)