The beginning was a little strange but the plot itself became very deep and interesting. It might be a bit confusing but definitely a really well written story with an amazing plot. I liked how a lot of the characters had a really dark past and the romance between shell and one/Eric. In terms of plot and backstories, this is definitely one of my faves and I feel like it's kinda underrated. You definitely won't hear about it as much as mangas/manhwas/manhuas such as painter of the night, bj alex, love or hate etc but it's actually really really good.
Blood Bank