Before you ask, it’s not an isekai.

Anyway, the MC is an ordinary peasant who becomes an adventurer after his sister gets cursed by a witch and he needs to find a cure. But the twist this time is that he only knows the skill of [Breathing]. Like, regular breathing.

Anyway, how will our hero fare in the endless dungeon, using only breathing techniques to push through, aided by his busty childhood friend who has no romantic interest in him?

Look, this is from the same author of that series where a Playboy becomes a Sage and gets two shortstacks to join his party. You know he’s going to find a way to make breathing overpowered, and you know he’s going to have a harem. Why are you even reading this synopsis if you already know it’s going to be one of THOSE stories? Why have you already added it to your follow list when you could read anything and receive a better value? Why are there thousands of delicious and nutritious foods around and you keep eating the dirty quarter pounders right outside the McDonalds dumpster?

The main character, Jong-Seok Lee used to be your average, run of the mill person. The only thing remotely interesting about him is the fact that he’s always at local book stores. All of that changes when he suddenly encounters a completely blank book and foolishly accepts what’s asked of him...

A dramatization of the real life of Yaeko Yamamoto. Over 100 years ago, Yaeko broke traditional Japanese stereotypes, gender, and honor to become a gun-warrior in defense of her homeland of Aizu.

From DrCoke at MangaHelpers:
Boy meets girl, but in this case, the girl is part of a family specializing in fighting evil spirits. Kamishiro Renge battles evil spirits with the help of her assistant cat Tama. The boy is... just a boy. Yuta fell in love with Renge the moment he met her, but will he be able to keep up with her profession? Will she be able to lead a normal life with Yuta?

Present day, present time. For some reason, rare newborns get swapped with the newborns from another world. They have the features of legendary creatures (like dwarves, oni, harpies etc), however, they lack the abilities of their legendary predecessors. Our heroine, an elf girl Kazamori suffered through her childhood because other kids expected her to wield magic like a true elf. She tries to uphold her "magic user" image in high school but the person who finds out her secret is an ordinary human who practices magic-like science.

The hostess Lingyue was murdered by her best friend and her husband... In order to hide the crime, she was thrown into the wilderness. There, she was possessed by spirits and filled with hatred, she started on her path to avenge her death...

Yatsuhashi Miyako is a diligent class rep while the girl who sits next to her, Miyakonojou Reika, was discovered to not be wearing panties. Will Miyako be able to reform Reika into a normal high school girl?!

Bonus stories following the convicts featured in Baki's death row inmates arc after the events of Baki's second manga. Released in the "Baki" series' 2018 shinsouban as mutual promotion with the anime.

Her memories of being a military geek in her previous life awaken, and she remembers she’s in the world of an otome game she played in her previous life.

And what’s more, she’s what people refer to as a ‘villainess’.

In the game, the villainess is destined to face a destruction ending, but this girl is different.

If you don’t want to be destroyed yourself, you have to destroy them first!

In this way, our protagonist who is obsessed with recreating the power of modern weaponry using magical techniques by taking advantage of the magical talent bestowed upon the villainess, realizes it at last.

The heroine? The prince? Shaming her family? Being exiled from the country?

If only a bad end is destined for her, then she has to crush it through sheer firepower!

This manga based on the ever popular AKB48 group.

Yoshinaga Hiroko loves AKB48. Urayama loves her, but doesn't think much of AKB48.

Urayama Minoru has a pretty face even compared to girls. After his friends planted the idea that Hiroko was going on a date, he follows Hiroko to an AKB48 concert. There, Minoru finds himself backstage with a pass he found on the ground and then in several lucky pervert situations with many of the AKB star members. After being chased and accused a pervert, his impression of them only worsens. But when he gets to the audience seats and the concert starts, he was dumbfounded: Were they really the same girls he met before? Hiroko spots Minoru. He learns she was not on a date, just in love with the group. There, Hiroko confides in him she's always wanted to shine bright on a stage like them. Although she is not confident in herself, yet can't help but wanting to try. She resolves that her next audition will be her final one and then she'll give up.

Then Minoru decides he will help her in the audition any way he can, even if it means he has to participate too...as a girl.

As Urakawa Minori, he helps Hiroko pass the audition, but inadvertently passes as well. Thus, Hiroko and Minoru's road as idols of AKB48 begins...

I love long hair! Tatsu Yunoki, our MC, who deeply loves the beautiful long female hair, heard a voice scream his name, it was Kotoka Hatsushima, and under the impulse of alcohol, both he and she, decided to date together. All they know is that they love each other's hair and back?! It’s not necessary to know anything else! They clash fetish against fetish, and come together in a fun and romantic comedy! And well... What is your fetish...?

One day Ooki Taiju builds his courage to confesses to Yuzuriha, the girl he loves, when the sky is filled with a strange light. Everyone touched by that light is turned to stone. After a thousands years trapped in stone, he breaks out of his shell and starts to explore the world until he finds his old friend Senku, who was freed from his stone state half a year ago.

Taiju and Senku decide to team up and bring back the now lost human civilization, starting by investigating the true nature of the light that turned them all to stone thousands of years ago and how to fix the situation.

Note: Won the 64th Shogakukan Manga Award for the shounen category.

A kitten Hime is accidentally adopted by first-time pet owner Onii-chan. Follow them as the inexperienced boy and the shy kitten grow into owner and pet and as they make many friends along their way.

Youkai are specters who have lived in the human world since the dawn of time. They often rest peacefully in their dwelling places, until humans rouse them by inconsiderate actions. Kitaro is a young youkai boy who wants to help humans and youkai live in harmony, and he fights to protect humans from the enraged youkai who lash out at them.

Note: For Kodansha's version of the series that began in 1967, the first volume is titled "Hakaba no Kitarou," but volume 2 and upwards are titled "Gegege no Kitarou."

English Titles
Vol. 1: Kitaro
Vol. 2: The Birth of Kitaro
Vol. 3: Kitaro Meets Nurarihyon
Vol. 4: Kitaro and the Great Tanuki War
Vol. 5: Kitaro's Strange Adventures
Vol. 6: Kitaro the Vampire Slayer (January 2018)

In the mid 21st century, the human race is facing a test.

Genetic engineering has changed the world, and with huge profits, research had accelerated accordingly. An “immortality” gene no longer seemed like a mere dream. However, a lab sample containing this gene escaped, creating a new life-form that took in genetic material from the natural world, evolving into an enemy that began to invade the human world.

The “Shaher” are now a force capable of defeating human military forces, and both North and South American continents have fallen under their control. In Japan, the government has created a “Samurai” unit to oppose the Shaher, utilizing soldiers enhanced with nano-machines to connect with an armored exoskeleton.

It is at this point that Tsukahara Takemichi is assigned to the first platoon of the “Samurai Force”.

Sakurai-san is reminiscent. I'm entangled with me and I'm watching this when I notice it. And I always turn my happy face at that time. But if you're serious and like me ... A battle of love while being disturbed by girls' gestures!

The love story between a yakuza and a detective who both can't be honest with their feelings.

The story follows a unambitious introverted middle school student called Saike Kuzushiro. After witnessing the death of his childhood friend, Mikan Karatachi, in a road accident. He cries out to God and after a fall, Saike wakes up in bed the previous morning, the day of the accident.

Will history repeat? Can he save Mikan? What power does he have to change the future?
________________________

Vol.3 contains the oneshot The Negatibrain.

A magic revolutionization fantasy about a nonordinary home tutor guiding a little lady! Allen, a humble man who can use abnormal magic techniques, ended up becoming the tutor of lady Tina, who apparently "can't use magic." Thus begin Allen's lessons that crush the concepts of common sense!

From the popular light novel series now comes in manga form!

Terror has paralyzed the clockwork metropolis of Tokyo! Possessed by demons, people have begun to burst into flame, leading to the establishment of a special firefighting department: the Fire Force, ready to roll on a moment's notice to fight spontaneous combustion anywhere it might break out.

One of the Fire Force teams is about to get a unique addition: Shinra, a boy who possesses the unique power to run at the speed of a rocket, leaving behind the famous "devil's footprints" and destroying his shoes in the process. Can the Fire Force discover the source of this strange phenomenon and put a stop to it? Or will the city burn to ashes first?

Note: The manga was nominated for the 45th Kodansha Manga Award in the shounen category in 2021.