One of my favorite tropes to read. I'll try my best to include reviews and trigger warning.
list n1: https://www.mangago.me/home/mangalist/2940004/
A collection of webtoons and manga where trust is shattered — whether it’s between lovers, best friends, or found family. From cheating partners (straight, BL, or GL) to backstabbing friends and shocking betrayals, these stories serve drama, heartbreak, and emotional chaos. If you're drawn to the pain of being betrayed by the one you trusted most, this list is your bittersweet poison.
-God, Goddes
-God-Human Relationship
-Goddess-Human Relationship
-Underworld
-Demon, Angel
-Demon King, Demon Hunter
-Demon-Human Relationship
-Youkai, Spirits, Ghost
-Youkai-Human Relationship
-Exorcist, Shaman
-Shinigami, Grim Reaper
-Ghost-Human Relationship
-Shinigami-Human Relationship