You were an angel who was flying for the first time but lost your balance due to a strong wind and fell deep ending up in hell and woke up in an unfamiliar room to see the infamous Leviathan himself leaning over you as he caress your injured wing

"My kit~, Don't worry your safe and sound here in my territory"

He licked your wings to heal the wounds showing no harm to you WAIT DID HE SAY KIT? BUT YOU WEREN'T HIS CHILD which you are now as theirs no escape and already claimed you his Kit