The two close friends from childhood Honori and Chisaki reunited and became classmates in a girl's high school. They haven't seen each other for 3 years since Honori moved away from the neighbourhood. Chisaki is the one that always wants to be treated as an adult but could never take care of herself, while Honori is always by her side looking after her.

Under the Rose contains two stories:

Winter's Tale (Fuyu no Monogatari):
In the late 19th century England, Grace King was the daughter of a declined Marquis and also the mistress of Count Arthur Roland. After her mysterious death, her sons Linus and Lawrence were taken under custody of their father Earl Roland, who has a sick wife Anna and other children. Linus deeply suspects that the Roland family was involved in the death of his mother and thus begins his lonely investigation.

Spring's Paean (Haru no Sanka):
Rachel Brennan was hired by the Roland family as the governess for the children. The children, except the second son William, gradually began to like her. Will William also open up to Rachel too with her efforts?

The story of an Annoying Senpai and his Kouhai.

Ari Tsubate is a 15 year old boy who is bad at everything. One day after receiving his test scores, he is killed in a accident. When he woke up, he found himself at the entrance of the netherworld inn. Greeted by the staff of the inn, he begins his journey in the netherworld.

An official manga adaption by Butcha-U of a Light Novel by Munmun with Character Designs by Mizuryu Kei.

The 30-year-old Satou Tarou accidentally dies and gets transferred into another world by god. After receiving a curing cheat ability, Satou Taro changes his name into Tauro and begins a fresh life.

Among the class transported to another world, Nagumo Hajime is an ordinary male student who didn't have ambition nor aspiration in life, and thus called "Incompetent" by his classmates.

The class was summoned to become heroes and save a country from destruction. Students of the class were blessed with cheat specifications and cool job class, however, it was not the case with Hajime, with his profession as a "Synergist," and his very mediocre stats.

"Synergist," to put it in another word, was just artisan class. Being the weakest, he then falls to the depth of the abyss when he and his classmates were exploring a dungeon. What did he find in the depth of the abyss, and can he survive?

Hyoudou Issei is an ordinary yet lecherous high-school student who is killed by his girlfriend, Amano Yuuma, during their first date. Yuma is revealed to be a fallen angel named Reinare who was sent on a mission to eliminate divine weapons. Issei is later reincarnated as a demon by his senpai Rias Gremory; in return, he will serve under Rias to fight against the fallen angels.

The summer they were eleven, they killed a man and buried his body in a cave. Since then, every year, one summer night has marked a ritual: a ritual never to forget, and never to betray. Five years have passed. Their sixteenth summer. The body, now a skeleton. Unravelled lies. A faceless blackmailer. The phone rings, and a life is torn apart. The bones, like their crime: never rotting, never fading away. Now, a living hell begins.

N/A

In this story, the world is in chaos, thanks to Washu. Now in order to save it, Tenchi Masaki must go undercover as a student teacher at an all-girls school. Unfortunately for him, trouble always comes his way as he has a hard time to deal with the hijinks of his new students.

Mi Gun Lee has finally gathered the courage to confess to his first love, Jo Han Kim. However, he’s gently but unarguably rejected! Heartbroken, he’s shocked to suddenly be confessed to so soon after his own confession -- and by Jo Gan Kim, the “mad dog” twin of his princely first love no less! Caught up between the two, where will Mi Gun Lee’s broken heart take him?

Mother × daughter. It is Yuri manga of real parent and child objects.

A one-shot about a strange curse visited on a family after an archaeological dig.

One-shot in celebration of 30 years of Itou Junji's career.

Mukouda Tsuyoshi was summoned from modern Japan to a different world of sword and magic. He thought of what kind of a huge adventure was waiting for him, but actually, Mukouda is just a civilian who got caught in a "Hero Summoning" by accident!! And that Mukouda's base status is very shabby compared to the legitimate heroes...
The only thing that he could rely on in this world is his unique skill "Net Supermarket," which enables him to order goods from modern Japan, and prepare them for various personas attracted by a different world's food...

A spin-off of Shoukoku no Altair following the adventures of tiny Mahmut and friends at the Kodansha publishing office.

Himi is an office worker who has a habit of saying "I want to die" whenever he feels stressed. One fateful moment his wish was granted and now finds himself in an arena along with a group of people. They were summoned by the Death God Mei to play the Death Game. Only the last one standing can go back.

Xolia applies for the title of "assistant to the Devil." In exchange for signing her life away, all she asks for is information. Now she's wondering if this was a good idea in the first place?