If you want to see where aria came before dying visit let kohaku-chan take a break, specifically chapter 16-18.
[Thank you for waiting. You have been reborn.]
I woke up in a strange body.
At first, everything felt… wrong. My hands were small, delicate-nothing like the skeletal claws I once had. My wings—wait, wings? I turned instinctively, but the tattered black feathers were gone. Instead, only soft warmth pressed against my back.
I staggered to my feet, bare toes pressing against damp grass. A reflection rippled in the nearby pond, and when I saw it, my breath caught—
It wasn't the grotesque creature of bone and rot I had become.
It was a girl.
[User: Aria]
[Race: Human (?) ]
[Title: Regressed Soul, Failed Seraph]
[Skill: [Wailing Choir –
Morale decreased by 40%.
Sanity erosion begins.
The lower your willpower the stronger the effects.
whisper of death- attacks your mental health, by filling it with it's emotions.]
My chest tightened. Was this… another chance? Or another curse?
"…I'm alive?" I whispered, voice trembling.
I saw my scythe it seems like it followed me during reincarnation
But before I could even make sense of this new life, the familiar ding of the system echoed again—
[Quest Initiated: Undo your corruption.
Failure Condition: Fall into despair once more.]