24 Hours Death Countdown: The Broken S-Class Mecha Pilot

Nova was the empire’s only S-rank healer until her adoptive family and fiancé drugged her, letting Zara take her place at Mecha Academy. After she was blamed for losing control during the exam, they sent her to prison, where she was tortured and had her healing core taken away. A Death Countdown began. When it hit zero, Nova launched into space, and in death her power turned into Death Energy that preserved her spirit. Now, she looks on in silence as her family loses its grip on reality after reading her final letter.