Village girl Chelsea, who is beloved by everyone, is actually the reincarnated ex-Demon King.
However, when she reincarnated, for some reason neither her magical powers nor skills were inherited, and she was forced to live as a normal human being.

Humiliating days continued until one day, the remnants of the Demon King's army appeared to loot the village. Hunted down by her former subordinate, who did not realize her true identity, Chelsea finds herself in a perilous situation. Then, a skill finally manifests! The name of that skill is "Begging for Mercy"!?

Touya, a boy whose face was too scary, was enthusiastic about Inami-san, the most popular girl in the school, But she had a dark side....!!

One day, a boy who loves Insects, "Anri Kajimi," meets "Makiri Oka," an Insect girl (Konchuki) who came from 100 years into the future. Oka, who is a "Konchuki" who has the characteristics of a human being and a insect, presses him into "mating with her"

Alice Fujii still isn't having much fun. She survived an assault of psychotic bug-themed assassins at her school, but all the battles, the truth behind her family, the two betrayals from false friends who ended up dead and the loss of her Kumoito knife-gun took a toll on her mental state. As such, she spends her days alone splitting open the heads of the rapist zombies who overran Japan since the aforementioned incident. The Organization wants to hire her as their new Boss, and elsewhere her allies Gokiburi and Kabutomushi are looking for her. What will become of all this?

Abused like a slave by everyone at school, and battered by the single mother she lives with at home… That was the girl’s, Endou Himeno’s, everyday life. However one day, a ‘wasp’ that stung the girl, changed her fate. Her fate, and that of humanity… Piercing the ‘seed’ known as humanity, a thrilling insect suspense story begins!

Cicero City, a city infested with immigrants where people of all races scramble to find work and shelter. Infested with destruction and slaughter, it's a chaotic society. Living on the outside of society, the Jackals are professional assassins with no allegiance, available to the highest bidder. This is their story.

Being referred to as a " witch hunt ", the act of torturing and killing innocent girls allows the devil to bring them back as witches. Domino Archcarlo, the "Inquisition Witch", was sent from the church to stop the creation of new witches. Domino's battle begins!

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

From Kirei Cake:

Alice is a senior high-school student who lives with an uncle that spends his time tormenting her everyday. One day, Alice witnesses the death of her uncle by the hands of an assassin called "Kumo" (Japanese for Arachnid). She then falls unconscious, and upon waking up, she finds out that she's in Kumo's house... Now, this Alice who no longer has any family and is being raised by the assassin herself.

Possessing both flexibility and tenacity, Imomushi (Japanese for Caterpillar) is an assassin that does not kill anyone but those who are assigned to her. She seems to have had something happen between her and her older sister in the past, however.
A new spin-off story from the same author of Arachnid, this story looks at the inner workings of a top assassin within The Organization itself.

Note: In early 2014, serialization resumed with a new artist. The series had been on hiatus after the sudden passing of the previous artist in 2013.