4-koma about an otaku girl and her friends.

Yoshida is a gloomy second year middle school student whose precious youth has been spent stuck in the corner of his class without being able to make any friends.

Shigure is the girl who sits next to him in class and she is as gloomy as he is. One day, she struck up a conversation with Yoshida and declared,

"I'm going to become a cheerful person!"

Thus begins Yoshida and Shigure's battle to become cheerful people in their effort to spend a brighter youth.

A comedy 4-koma manga revolving around the normal life at school of the minor characters of Fate/stay night and Fate/hollow ataraxia, specifically the character Himuro Kane, classmate of Fate/stay night protagonist Emiya Shirou. This manga by Mashin Eiichirou is a spin-off that tells the normal school life of the supporting characters Himuro Kane, Makidera Kaede, Saegusa Yukika. Other characters are the regular cast of the main games: Mitsuzuri Ayako, Tohsaka Rin, Ryuudou Issei, Matou Shinji, Emiya Shirou, Kuzuki Souichirou, Fujimura Taiga, Matou Sakura, Mitsuzuri Minori; "guest" characters from other series Ciel, Seven, Sajyou Ayaka (formerly the heroine of the never finished prototype novel of Fate/stay night) are also featured, and other classmates Gotou Gai, Fujimoto, Dezaki, Hirumata. The story is centered around classic school events such as a ball game tournament, field trips and inter high school competitions. As such, there is no reference at all to supernatural things like magecraft and Heroic Spirits.

I reincarnated as an evil god.

Ira Takuto succumbed to illness at a young age and ended up reincarnating in a world that resembled the strategy simulation game, 『Eternal Nations』, of which he loved playing when alive. What appeared in front of him was Atou, a girl belonging to the evil civilization that he used to play as, 「Mynoghra」. The two of them decided to create a new country in this world once again.

My 18 year old high school girlfriend keeps asking for baby twins as her birthday present. Her birthday present to me was the marriage certificate receipt, which I cant remember filling out.

Dirty oldman isekai

Fantasy harem-comedy begins with a kind-hearted uncle who helps the weak, crushes the strong while doing some consensual seeding here and there.

Middle school teacher Nobunaga has always been dreaming of such a gal game-like situation. However, the one who appeared before him was Kichou, a 14-year-old girl who proclaims herself as his wife. Appears to have arrived from the Sengoku era, she mistakes Nobunaga as Nobunaga Oda and urges him to conceive a child with her. Thus begins the age-difference love comedy between a gal game-loving teacher and a Sengoku era expert princess.

An office drone finds relief from his job by attending the ballpark close to his daily commute. He asks a vendor girl for a beer, but for some reason, after the transaction she sticks around him...

Iwakura Mitsumi always had big dreams, of leaving her small town, advancing to the top tier university, and then contributing to the country before retiring back to her home town. So focused is she to her goal that she is oblivious to all the other ways she comes up short, much to the chagrin and concern of her friends and family. Can a naive country girl make it in Tokyo?

Note: In 2023, this manga won the 47th Kodansha Manga Award in the general category.

Story centers on a boy named Tokio, who lives alongside other children inside a beautiful wall. One day, Tokio receives a message that says "Do you want to go outside of the outside?" In a heaven that has begun to tear itself apart, a group of boys and girls begin their adventure.

Shinobu Iijima lost his life along with his beloved sister and prickly stepfather in a mysterious disaster.
When he woke up, he was reborn in the world of the game he had been playing.
Shinobu was in despair as his stepfather erased his game data and he had to start from the tutorial, but he learned that his sister would soon be reincarnated into this world as well.
In order to stop his father-in-law, a top player who was after his sister's body, he embarks on a painful path to become the strongest...!

The weakest demon (slime) who longed to be human is reincarnated as a saint, but with the worst character of all, a villainous noble girl. From the lowest status, hated and resented; an existence where she will be terminated immediately if her true identity as a slime is discovered, she will become a beloved saint in order to live a safe and secure life!

Touya, the strongest player in the game Pandemic World Online, had won so many items that he decided to create an alternate account to store the extra ones. While playing this very game in his second account, he was summoned to another world as a character he made, where the people were merrily expecting a hero. However, when it is known that he doesn't have the title of a hero, he is discarded and replaced by another person. Now, he must survive in an another world with the account he merely used to store his extra items in.

Links:
Original Web Novel: https://ncode.syosetu.com/n9275ei/ (Japanese)

The story begins with a beautiful girl, her perfectly fake smile, and the people who love her selfishly for it.

What transpires behind the scenes of the glittering showbiz industry? How far would you go for the sake of your beloved idol? What would you do if you found out reincarnation was real? The star of the show is Aquamarine Hoshino and the stage is but a mere facade. Will he manage to reach the climax before the world of glamour swallows him whole?

Note: In August 2021, Oshi no Ko won the Next Manga Award in the print category.

In Giant Killing a ragtag bunch from East Tokyo are struggling in Japan's top football league. The team is going through an abysmal spell right now where they are nearing the bottom of the table and have lost 5 matches in a row. The losses haven't done much to team morale, because it was already low. Fan support, on the other hand, is looking bleak. In the world of football, once the fans turn on a team the end is near. Teams don't recover. Coaches are fired, players are sold, and teams drop to lower divisions where profits often prevent them from ever being successful against even mediocre top division teams. East Tokyo United, ETU, can only blame their coach right now. And Coach is ready to give up this next game to prove to his team and fans, that against the biggest club in the nation he can make this team win.

Note: Won the 34th Annual Kodansha Manga Award (2010) in the General category.

Uchida is a high school student genius who created a device that is supposed to make people have good dreams but he always had bad dreams when he tried it on himself. One day, he caught the school doctor sleeping at the clinic and decided to try the device on her. It turned out that it works surprisingly well on her and that she wanted to buy the device from him. He then tries it on his classmates and it became quite popular with the rest of the class as people start lining up to borrow it. Meanwhile, there is growing concern that users of the device are starting to have difficulties differentiating dreams from reality.

29-year-old freeter Ikuta Hiroto is a carefree young man without a love life, regular job, or any real worries about the future. He inherits an old house from the neighbourhood granny, where his 18-year-old cousin, Natsumi moves in with him to study art in Tokyo. This is a story about Hiroto and the people around him who struggle with life.

Panic disorder, depression, developmental disorder, PTSD... Japan is said to be a country of hidden mental illnesses, where many patients suffer from mental illnesses without being able to talk to anyone. The suicide rate is one of the worst among developed countries. How has Japan fallen into this kind of situation? Psychiatrist Konosuke Yowai confronts the problems facing Japan's psychiatric care and sheds light on the shadows in people's minds.

When Miyanaga Saki was a child, she would always lose her New Year’s money during her family's mahjong games. If she won, her family would be upset, and if she lost, well, she lost. As a result, she’s learned to play in such a way that her score always remains plus/minus zero: not good enough to finish first, but not bad enough to finish last.

Now a high school student, Saki dislikes mahjong and avoids it. Until one day a friend drags her to the school's mahjong club, where her hands touch the tiles once again...

A tale about a modern deep-sea aquarium employee in Tokyo!

What's living in the overwhelming darkness deep within the sea? Take a glimpse into this strange world about a boy working at a deep sea aquarium.