Another world exists one level below the one we live in, the Rengoku. Rengoku is filled with a poisonous gas called "ren". Although "ren" is harmful to the human body, it brought many new possibilities to mankind. Artemisia also known as Alto is the first princess of the country Ei. She has an abnormal body which is a doorway connected to the Rengoku. Because of this her body emits "ren" uncontrollably, bringing death to the people around her. As a cursed princess, she is locked up in the castle's dungeon, living her life without daylight. One day Alto met a young knight named Fog and together they received an order from the royalty. Alto's goal is to become a "Rengokushi", controlling the exceptional power that "ren" brings. "Come, let us dance in the sorrowful Rengoku!"

A love contract romance between a seemingly cool wolf prince and an oppressed poison witch! A turning point arrives to the daily life of Mabel, who spends her days oppressed as a "Poison Witch." After she helps Jude, a wolf tribe prince, he proposes a contract marriage to her. With nowhere else to go, Mabel accepted Jude's offer and began a new life. At first, Mabel was afraid of Jude, but as they spend time together, she gradually realizes his kindness and hidden affection—? (Source: LINE Manga, translated)

A story about giving birth, not giving birth, and not being able to give birth.

Guitarist Kouhei is always fighting with his other band members due to wanting to go a different direction. Then while he's at a local music venue, he hears an incredible singing voice and falls in love at first "sound." He doesn't know who the voice belongs to or where it came from, but when X mysteriously appears, Kouhei unconsciously gets hard. He searches desperately to find him again, but his only clues were X's voice and a tattoo on his left arm. After several months with no luck, he runs into X by chance at the convenience store! Kouhei starts hitting on the man who introduces himself as "Rei," only to be completely rejected... (Source: Dogenzaka Shobo, translated) *Note: Originally serialized under the title "Looking for a Treasure".*

Every cat has a purpose in life, or a passion. We poor humans are quite ignorant. We find ourselves envying them, sometimes pitying them, or being moved. In any case, after reading this, we will think twice before reducing a tomcat to a vulgar ball of fur. *Note: Chapter count includes 4 extras.*

[●](https://www.cmoa.jp/title/309874/)Anzu, who doesn't understand what love is all about, agrees to try out becoming a couple with her childhood friend Yaichi. Just where will the relationship between the hot, sweet but easy to burn (caramel) highschool boy Yaichi, and the romatically indifferent Anzu end up...?!

Applebee is the perfect maid, serving a household with a slightly twisted young master. This master has a sweet tooth, and tells her to make some home-made sweets. However, the one thing that the perfect Applebee resented was making sweets. *Note: also includes the one shot Onshitsu Butoukai (温室舞踏会; Greenhouse Dancing Club)*

A girl who was bullied and ready to give up everything. A boy who never knew fun because of his circumstances. Until the night of the first snow. Somehow they met again in a night-time school. "The day you taught me that I'm not alone, I decided I'd face forward and live on."

In the story, Keiichi Morisato and Belldandy lived in happiness, but due to the recession, the motorcycle shop Keiichi works at faces financial difficulties. Belldandy starts to search for a job because of the situation. (Source: Anime News Network)

What was left for the boy, was just the girl. And what the girl chose, was just the boy. Human siblings living in a remote village, elven siblings living deep in the forest. The peace of theirs, who should not have been friends, should have continued forever. However, when the elves suddenly started an invasion on the human world, the feelings of the four were torn apart and they took different paths. Eventually, the human boy Imina and the elf girl Ellis stood on the battlefield. The sword he holds is crimson. The same color that had flowed on it, and will flow on it from then onwards... The sharp, blood-colored dark fantasy begins here! (Source: Kadokawa, translated)