Nad.Nea's activites

I read it from the start and can understand most of its timeline, both main story and side story.
And I still don'r know why author let Vivian, Mamon and Metatron's biological child, like his teacher- Gab, as he is the one who trap his "mother" to hell =))).
At first, Vivian still show his love with both Mamon and Metatron, however, he then start to hate his dad jut because Mamon hate Gabriel (tbh who whouldn't lol, he plan to kill his wife btw).

Haruka Shirakawa couldn't care less about becoming the top fighter amongst his peers... but his...

Ikumi is a handsome, cheerful and popular university student, returning home for the summer, where h...