A spin-off series set 6 years before the events of Zenaku no Kuzu focused on Yumeji Sonoda's college days.

Reincarnation x Otome x Werewolf Game! High school student Kimi is reincarnated as the heroine Cuore of the werewolf maiden game she was passionate about. This game is full of handsome guys, but it's also a dangerous game where you'll end up dead as soon as you make a mistake...? Quore tries to survive somehow, but she is spotted by the werewolf Azel!?

Two years ago, zombies appeared all over the world. Countries fell into panic, and human society was on the brink of an end—but it never came! In a "With Zombies" society where people live with zombies who neither attack nor infect others, the fundamental principle of human history that "dead people can be resurrected" has been turned upside down, causing a frenzy of work for government officials! This is a comedy about the work of the Resurrection Department, starring the passionate new heroine, Tokai Rin, and the talented and eccentric section chief, Samura, in a slapstick duo! (Source: Kodansha, translated)

Drugs are the sweetest and most dangerous honey in the world. Soka, a new investigator in the Ministry of Health, Labor and Welfare's Narcotics Control Bureau, known as "Matri," which is in charge of controlling the daily increase in drug crimes, is worn out by the day and night work he has to do. Moreover, Takatori, a senior agent who works with him, is a peculiar character who is only interested in the amount of money seized...? (Source: Kurage Bunch, translated)

Longitude unknown Latitude unknown This island has no name. Everyone just calls it Island. Seven girls who have no memory of their past or even their name lives on this island. Both the town and island are deserted but water and food are supplied to them each month. The girls call each other by numbers and names associated with the number. Number 6, Mutsuka is a girl desperately trying to get back to her beloved sempai. She has tried 16 times but she won't give up until she succeed. In her attempts she'll learn about the other inhabitants and about the island and not all of it are pleasant.

After Cinderella rejects the crown prince's proposal and elopes with a magician, her older sister Adelina gets forced to take her place. Although the popular and handsome prince marries Adelina, he tells her he does not intend on falling in love with her. Adelina could care less, however. To her, all that matters is that she be able to enjoy living quietly with her adorable animals at the royal villa, eventually getting an amicable divorce and a ton of alimony. Who cares if the prince gets a mistress or two? But the prince, who didn't care for Adelina at all, begins to show some interest in her... Source: MangaPlaza

The criminal is a witch. The trick is magic. In the middle of a festival, a girl disappeared into a sea of flames. This was in a locked room under the sight of many and furthermore, it was an imitation of a thousand year old legend. Rookie knight Werner and Witch Hunter Ludovika challenge this incident. However the two of them were not aware --of the long history that lays behind the incident. And to make matters worse, they are hindered by the inquisitor Ersilia. The two old friends, as well as natural enemies are bound by a certain tragedy-- The girls' obstacles, an incident made up of magic, a mystery that has been left unsolved for a thousand years. And when lies are brought to light, the boy will find true justice. (Source: Amazon, translated)

One day, an ordinary high school student is transferred to another world. He raises his level in the other world, successfully defeats the Demon King, and saves the world! With his strongest status, he decided to return to his own world. However, in the world to which he returns, a new “dungeon” has appeared. A modern dungeon fantasy where the former hero becomes a warrior, delving into dungeons created in his own world!  Source: MU