By the Time You Read This, I'll Be Dead by Julie Anne Peters

Daelyn Rice, a girl deeply scarred by years of severe bullying, meticulously plans her suicide over twenty-three days while navigating a silent, isolated existence. Her path changes when she unexpectedly forms an intense, life-altering connection with a boy named Santana. 

This book contains: abortion (referenced), alcohol (referenced), anxiety, body shaming, bullying, child abuse (discussed), controversial religious commentary, depression, deception, derogatory terms, drugs, molestation (referenced), pedophilic abuse (themes), rape (referenced, discussed, implied), sexual assualt, self-harm (excessive/explicit), sexual activities (minor/not explicit), suicide (excessive/explicit), toxic relationships, victim shaming and violence.