Another Day by David Levithan

This is the companion novel to Every Day, the novel explores Rhiannon’s struggle to understand and maintain a relationship with "A," a shifting entity who wakes up in a different person's body every 24 hours.

This book contains: alcohol, alternate gender/sexual ideologies, bullying, controversial cultural, gender and social commentary, deception, depression, derogatory terms, drugs (mentioned),
emotional abuse, mental illness, profanity, racism, self-harm (referenced), sexual activities/nudity, slut shaming, smoking, toxic
relationships, suicide thoughts, and violence.