A deadly virus known as "Algernon" has attacked humanity with vicious meaning. At the forefront of the battle is the mystifying Akamatsu Industries—disguised as a heavy machine factory in Tokyo, this undercover organization uses neural enhanced weapons known as NeuroNoids to battle Algernon. Also helping with their secret efforts is the mysterious mutant who is only known as "Betterman."

The spin-off of Machine-Doll wa Kizutsukanai; takes place few decades after the main series in the first half of the 20th century in Japan.

Yuuta was 12-year-old boy, who had lost his father in the traffic accident one year ago. In the summer vacation, he visited a deserted dam deep in the mountains, where he had a good time with his father before. Suddenly a thunder storm occurred and he slipped on the ground. He lost consciousness and woke up to find a girl and an unfamiliar village. He time-traveled 30 years and reached a village, which sank at the bottom of the dam. This is Yuuta's precious memory of "another" summer vacation.

Pocket Monsters, or "Pokémon" for short. They are these strange and mysterious creatures on this planet. In the skies, in the sea, in towns and in the forests...you can find them living just about anywhere. This is the story of Liko, a girl led by fate, and Roy, a boy chasing his dreams. The curtain is about to rise on this great adventure that will take them all over this big wide world together with Pokémon!

[Original Web Manga](https://www.sunday-webry.com/series/986)

Hozoshita Kumatarou comes to Minamida Mao's high school as a school doctor.

"There are three things that worry me in this moment. First, before I noticed, I was here. Second, I have no memory. Third, there is a girl with a knife in front of me. Who on earth am I?" A story in which mystery and memories cross each other. High-end mystery which asks the new era!

When shut-in otaku Honnezaka Arumi gets thrown into an elite all-girls boarding school, life becomes hell on earth. And to make matters worse, each student at the academy gains a special kind of magic—or more like a curse, really. Arumi suddenly finds herself blurting out thoughts she never would've dreamed of saying aloud before. Luckily, there's a way to rid oneself of this magic. But unlucky for her, it involves a long and hard process.

On, a senior in high school, was enjoying his high school life with Tsubasa and two other friends. After graduation, On decided to go on to a university in Tokyo. Although their paths were different, they thought that their relationship with everyone would remain unchanged. The night before the graduation ceremony, when he and Tsubasa sneak into the school together, he is suddenly kissed by Tsubasa...? (Source: Shueisha, translated)

High school student Azusa jumps off from the rooftop of a school building, but she survives. One month later, the school is taken over by group of people wearing bizarre masks. A pregnant teacher is imprisoned, while the head director of the school and male students disappear. Azusa then finds pieces of a puzzle in an envelope given to her by classmate Shigeo. The puzzle pieces holds the key to solve the case. Azusa chases after Shigeo and she sees something which is unimaginable.