Fly me to the moon (manhwa)

Fly me to the moon manhwa, a "heterogeneous" society where supernatural beings blend in. For these monsters, "cruel" is not enough to describe them. One such monster's unexpected appearance at funeral of Jeongyeon's mother forces her to enter their world.Don't you hate to see yourself being unfairly manipulated, don't you want revenge for all your suffering?Someone caught her just when she was about to collapse.