Tangerines and Watermelons
The names of the two skills, divine protection and vicious curse, isn't really what the description indicates. For me divine protection description sound more like the skill divine aura, as for vicious curse it's description make it more likely to be the skill enslavement curse or curse of enslavement/ing like you want. But it's only my own thoughts, sorry.
Wow, he's quite knowledgeable for someone that just transmigrator from Earth. Not only does he somehow instantly know that he's been reborn as a devil-angel hybrid, but he manages to figure out how to hide his devil side within seconds. Then when the Seraphim show up he just happens to know enough about then to worry about if they can see through his disguise. What a rushed start.