
If you're looking for manga similar to Hell Target, you might like these titles.
Do you believe in God? I don't, because if God did exist, he wouldn't have let my daughter die in such misery.
Years ago, the mermaid inhabitants of an underwater brothel were ruthlessly slaughtered for their expensive body parts. The only survivors of this massacre were three young sisters who, enraged by having witnessed their mother's murder, now lure sailors into the depths to devour them. While chasing jellyfish one day, the middle sister, Julie, is caught in a net and hauled to the surface. She manages to escape from this ordeal alive, but during her brief time on land the mermaid fell in love with a human. Can the two lovers find true happiness together, despite their conflicting backgrounds?
In a dark future, a biological disease that transforms humans into monsters called the Kamiyadori plagues the city. The peacekeeping forces include a specially trained team called the the Right Arms. These agents must keep tight control on those who are infected - and the only salvation they offer is execution! But when one Right Arms officer is unable to kill a young boy and his sister, he sets off a chain of events that may bring a ray of hope to a world filled with despair and chaos...
With the highest kaiju-emergence rates in the world, Japan is no stranger to attack by deadly monsters. Enter the Japan Defense Force, a military organization tasked with the neutralization of kaiju. Kafka Hibino, a kaiju-corpse cleanup man, has always dreamed of joining the force. But when he gets another shot at achieving his childhood dream, he undergoes an unexpected transformation. How can he fight kaiju now that he’s become one himself?!
Hosho Aiko should be dead. To be precise, when she came back home one day, she found her entire family slaughtered by a grotesque monster. The creature attacked and killed her as well, but she finds herself awakening in a mysterious room, taken care of by Dr. Kochigawa. She has amnesia, but when another monster appears before her in her room, she regains her memories and her left arm changes into a powerful weapon, very similar to that of the monster, which she destroys.