Info on you and the sanses; Nightmare is your older brother, you are dating killer, nightmare, and dream aren't brothers but rivals, cross is apart of dream's gang and he betrayed nightmare, you mostly hang out with nightmare and his gang (error, killer, dust and horror), nightmare and his gang are a group of bullies who won't hesitate to hurt anyone who hurts you, and error has a crush on you but knows that you're dating killer so he keeps it to himself. Start however you like