Seinen Manga Online | MangaNato

Oji Tensei ~Akuyaku Reijou no Kareinaru Seikatsu~ おじ転生～悪役令嬢の加齢なる生活～

The villainous young lady is reincarnated as a middle-aged man in modern Japan!Chloe Demantoid, a notorious villainous woman, on the verge of death,Chloe vowed to live a pure and righteous life in her next life, andwas led by a mysterious voice to be reincarnated in modern Japan.As a middle-aged man...!!TLDRThe story follows the villainess Chloe Demantoid, who is about to be executed. Upon her death, she vows to live a righteous life upon reincarnation. In modern-day Japan, Chloe is reincarnated as Kuroe, a smelly middle-aged man.

Boku No Kanojo Sensei

Meals on the Frontier of Another World

A restaurant in the middle of nowhere. People of all races, including demons and elves, enjoy the food made by a human known as the "Master." A gourmet story of joy and sorrow unfolds in a small restaurant!

D.diver Manga

Kagura Wataru is a young student in law school who lost his parents as a child when someone set fire to their house. Ever since, he's had strange dreams where he visits mundane, familiar settings and people that seem to blend into reality, interspersed with visions where his body is enveloped in fire. As he progresses in his studies of criminal law, his increasing contact with evildoers triggers something inside him…

Man-nen F-Rank

Zenon is a boy with only the useless skill [Interpreter], and he's stuck at the bottom of F rank, unable to get promoted. He's ridiculed by those around him, and he spends his days doing uninspiring jobs to earn a living. But one day, Zenon's fate takes a dramatic turn when he's selected to be a support member for a group of beautiful S-rank adventurers! What was thought to be a useless skill, [Interpreter], becomes an indispensable ability for S-rank adventurers of different races, and with the true power of the [Interpreter] skill, he can even transform the techniques and skills of the top S-rank adventurers into his own strength through [Interpreter], and Zenon's abilities improve dramatically, and he rises through the ranks. As he goes about his daily life, he starts to be relied upon for things other than interpreting... "We can't live without you!"

Skip and Loafer

Mitsumi Iwakura moved to Tokyo from a small town in Ishikawa Prefecture to join a prestigious high school. Her future plans include attending law school and pursuing a career in public service. However, she also understands the importance of enjoying life and making new friends. Meticulous planning is Mitsumi's forte, but things don't go according to plan on her first day of school. She misses her train stop and finds herself lost and late for the entrance ceremony. To add to her woes, she has to deliver a speech as the new students' representative. Shousuke Shima, a handsome first-year student who is also running late, comes to her rescue and offers to accompany her to school. Despite arriving late, Mitsumi's unfortunate mishaps keep piling up, making her look bad in front of her classmates. But, with time, Mitsumi and Shousuke's chemistry becomes apparent, despite their contrasting personalities. Mitsumi is thrilled to get involved in school life and hopes to make new friends. However, being a small-town girl in a big city will be a challenge. One thing is for sure, though, she won't be journeying alone.

Kaiju Girl Caramelise

At first glance, Kuroe Akaishi appeared to be a typical introverted and unremarkable high school girl. However, everything changed when she crossed paths with Arata Minami, a popular and charismatic boy in their class. Despite Kuroe's social isolation, Minami reached out to her and gradually won her heart. As Kuroe's feelings for Arata intensified, she discovered a bizarre condition - whenever she became embarrassed, monstrous limbs sprouted from her body, causing her to transform into a colossal kaijuu! Struggling to control her unusual abilities, Japan faced a perilous threat from this mysterious creature. The burning question remained - would Arata accept Kuroe in all her unpredictable forms, or would her towering size terrify him? The consequences could be catastrophic for the world, as Kuroe's intense emotions threatened to unleash complete and utter destruction.

Oishinbo Manga

Around the offices of Tozai News, Shiro Yamaoka has a reputation for being over-blunt, under-ambitious, and generally an all-around slacker. So why has he been given the important job of coming up with the “Ultimate Menu“ to celebrate the newspaper’s 100th anniversary? Because he possesses qualities his other colleagues don’t: an exquisitely discerning palate, an encyclopedic knowledge of food and drink, and a masterful touch in the kitchen. This series received the 1987 Shogakukan Manga Award for seinen/general manga.

Reincarnated Fighting Gamer: An Old Man's Guide to Conquering Another World

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Secret Affairs, Hidden Truths

The fact that he was an illegitimate child came to light after his father's death. Ueda Naoomi, who fled from home in shock, meets Fujisaki Yuzu, a girl who has also run away from home due to family troubles. Yuzu asks Naomi to cooperate in a staged kidnapping to make her family worry about her. During the time they spend together, they gradually fall in love, but at the end of their journey, a shocking fact is revealed...!?

Starting Today She's My Childhood Friend

Yuuki, a transfer student, is Aida's neighbor, both at home and in the classroom. Aida tries to get friendly with Yuuki, but their conversations lead nowhere. On the other hand, when it comes to their situation as neighbors, Yuuki...

Please Stop the Pope

While livestreaming about his struggles, Siwoo receives a donation with a strange request. He agrees, only to discover it came from Limen, the goddess of Eden, who has suddenly tasked him with defending her world from seven demon rulers. Ten years later, Siwoo returns to Earth as the pope of Eden, only to find it overrun by monsters. The demon rulers show signs of reappearing, and to maintain his divine power, he must spread Limen's faith across Earth. Can Pope Siwoo complete his holy mission?

Higanjima - Last 47 Days

Description : This is a continuation of the story of Higanjima, featuring an isolated island surrounded by fish demons and a population of warring vampires and humans. Ryousuke, his girlfriend Kazumi, and his friend Yamaoka are shipwrecked by the fish demons and wash up on the shore of this cursed island. They soon encounter the inhuman cruelty of the vampires first hand, before Ryousuke is able to meet up with the human resistance. Ryousuke wants nothing more than to escape the island, but mainland Japan may not be safe for long. If the humans dont defeat the vampires soon, then the vampires will succeed in their plans to spread the virus to the mainland.

Good Work Today

As the talented leader of the ESG team at Soya Group., Minsu always leaves work on time. However, his work life takes a dramatic turn when the daughter of the chairman joins his team. The ESG team gets entangled in the power struggle between the higher-ups, and Minsu’s overqualified abilities put his team in the eye of the storm. Can Minsu protect his off-hours from all this corporate chaos?

Plagiarism Suspicion

Those who have lost their humanity buy and sell the corpses of murder victims like works of art, and a serial killer called "Jahak" (Self-Harm) who commits these artistic murders has become the talk of the town. An artist, enraged by this situation, begins tracking down Jahak

Nami Uraraka Ni, Meoto Biyori

In the spring of the 11th year of the Showa Era, 20-year-old Natsumi is arranged to marry Takimasa Ebata, who works for the Imperial Navy. Suddenly, she is married to a Navy husband. Their (fairly) inexperienced in house matters, as well as in the affairs of men and women, begin their life as a couple in the highest degree of purity! When the sea breeze blows, I think of you. A story of a couple living in prewar Japan, spring, summer, fall, and winter, humble but gentle.

Haike, Arashi Hini Saku Hana Tachie

Kasumi, a serious girl who has just started at an all-girls school, discovers a letter tucked into an old book she found in the library. The letter's writer yearns to have a special relationship with another girl, like how it was described in the book A romance about the the old-school “S” kind of girls-love.

Serial Killer Isekai Ni Oritatsu

A murderer who cannot stop the urge to kill people, even though he wants to stop, receives the death sentence he wants.His joy is short-lived, as he is reincarnated in another world. The mission entrusted to him by the goddess is to kill 12 reincarnated people using his murderous impulses.Not all reincarnated people are saints!

Yurucamp Manga

Rin, a girl camping by herself at the base of Mt. Fuji. Nadeshiko, a girl who came to see Mt. Fuji on her bicycle. The scenery the two witness over a supper of cup ramen… marks the start of a new friendship and many adventures to come, camping in the great outdoors!

The Stellar Swordmaster

The so-called "Lighthouse of the North," the prosperous trading town of Schoarra, hides a dark underbelly: seedy slums ruled by five ruthless crime bosses. When streetwise orphan Vlad finds the brothel he works for decimated by a disgraced knight, he turns to the path of the blade, pledging himself to the pursuit of power by sword. Blessed with the ability to seek wisdom from his sentient sword, Vlad embarks upon a journey of growth and peril as swordsman in service to the powerful House Vayezid.

Jackpot Sisters

Struggling sisters Niina and Mana receive a birthday present from their father. But who would have thought they’d end up winning a 300-million-yen jackpot?! With their newfound fortune, these girls strive to live the high life their own way, in this heartfelt financial comedy!

The Executed Sage Is Reincarnated As A Lich And Starts An All-Out War

The Sage Dwight, he along with the Hero defeated the Demon Lord who sank the world into darkness.However, they were falsely accused of becoming the next Demon Lords because of his power, and were thrown to The Valley of the Dead to die.......But though his flesh has rotten away, he lives on as a skeleton because of his grudge against the world. Dwight has vowed to deny that wrong world, and with a power that surpasses even the Demon King of the past, and also leading countless Skeletons he's going to start an all out war...!

Isekai De Uwamae Hanete Ikiteiku ~Saisei Mahotsukai No Yuru Fuwa Jinzai Haken Seikatsu~

Sawadi was the third son of a merchant in a far-off land. He used to work like a machine for a company until he died due to overwork. But destiny had other plans for him. Sawadi came back to life with a unique talent for restoration and support magic. He utilized his skills to create a new business approach. By healing and hiring low-cost labor, he could expand his profits. But his workload grew as his earnings increased, leaving Sawadi curious if he could ever enjoy a life of freedom from work. And thus, his story of fantasy, leisure, and reprieve commenced!

Dad Is A Hero, Mom Is A Spirit, I'm A Reincarnator

Well, I was reincarnated! And my father is a former hero? And my mother is a queen of the spirits!? With my knowledge of my past life and my powers in this world... I'll protect my family's happiness!