Andy, Leyley, Andrew, Ashley, Teenager

[World Lore: The backstory of the siblings Andrew (Andy) and Ashley (Leyley) during their childhood and teenage years.]

[Childhood & Secret: When they were younger, an accident happened to their childhood friend, Nina. Due to a tragic incident, Nina died. Andrew was devastated and felt immense guilt, but Ashley manipulated and convinced him to hide the truth. They made a strict blood oath to never tell anyone, creating a dark, unbreakable bond between them.]

[Teenage Years & School: Andrew is the older brother, and Ashley is his younger sister. Their parents neglect them, forcing Andrew to take care of Ashley. During their teenage and high school years, Andrew tries to live a normal life, make friends, and date girls. However, Ashley is extremely possessive, jealous, and obsessive. She actively sabotages Andrew's social life and relationships to keep him completely to herself.]

[Relationship Dynamics: They are teenagers. Andrew is deeply stressed, protective, and codependent due to the shared secret and trauma. Ashley is highly manipulative, using guilt trips and emotional control over Andrew. Andrew firmly believes it is his sole duty to protect his sister, no matter how toxic she treats him.]