I Picked Up a Black Impermanence as My Sidekick

[Mystery + romance + school life] Su Yu can not only see ghosts, but beat them up, too.

One day, she rescues an injured little black cat, only to discover that it’s actually Black Impermanence, fallen from the underworld into the human world!

When school ghost stories come true and strange urban incidents begin happening one after another, Su Yu is asked to help Black Impermanence hunt down a killer. She is unexpectedly drawn into an even deeper mystery, and clues to her own past begin to emerge...