After I Died, My Master Fell into Darkness

I asked my shizun, "Have you ever loved me, even a little?"

My shizun said, "I love all living beings."

So I leapt into the Demon Realm before his eyes, where countless demonic beasts tore me to pieces.

They say that afterward, that aloof shizun slaughtered the entire Demon Realm alone, leaving not a single survivor, not even a blade of grass.

The world lost a god who loved all living beings, and gained a devil whose name made people tremble.

1. The main story is told in third person.

2. The love interest has to win back the one they hurt.

Theme: Cherish the person in front of you