An ordinary Japanese man dies and is sent to another world. The twist, though is... well... you know that Pixar movie Onward? Or Bright, the one with Will Smith? Basically, a setting where magic and dungeons and dragons are all real, but so much time has passed that they’ve developed a society similar to ours so you have orks working on their college dissertations in coffee shops while siren baristas use magic to create more decaf? Where political leaders instead established protests in segregated taverns to establish equality between humans and demonkind? Where farmers peddle mandrakes and slime extract at farmers markets so that health-savvy elves can make potion smoothies and then post a picture of them on Instagram? Yeah, it’s like that. Anyway, enjoy the story of the MC realizing that none of his skills from the old world will wow people in this new world because they already invented soy sauce and crop rotation and double-book accounting on their own. https://www.pixiv.net/en/artworks/77644407
The typical Kochikame plot involves Ryo-san coming up with a money-making scheme by inventing a new gadget or capitalizing on a fad, achieving great success, calling on Nakagawa's help as things turn sour, and finally losing it all as the fad runs out of steam or out of control. While the plots are gag-driven, much of the humor comes from the juxtaposition of mundane characters with the bizarrely incongruous (Nakagawa's wealth, Maria's appeal, everyone's lack of actual police work), most of which is never explained or rationalized in the slightest. Kochikame has a broad audience, ranging from adolescent boys to middle-aged salarymen. Much like Homer Simpson, Ryo-san's antics appeal to children who can laugh at an old buffoon and to men fearing that they are becoming old buffoons themselves. The stories are generally innocent in content, and what little violence appears is comical, while the occasional risqué subjects are included strictly for laughs rather than to titillate. In another parallel to The Simpsons, Kochikame's immense popularity has lead to guest appearances in the strip by Japanese celebrities such as Tetsuya Komuro. (From Wikipedia)
Kotoyorozu Kotoha, a boy with an underground past as a former mafia underling, had given up on youth. However, his life changes completely after meeting certain girls. With massive guns, they fight against mysterious beings threatening to destroy humanity! This is their school life — full of chaos, action, and unexpected twists. Behind the facade of the world lies a wild and outrageous youth like no other! A mega-serialized story packed with sci-fi, romance, action, and more — let the fun begin!
From Rain over Paradise: 'Senpai, I want you to fall for me.' When Hotaka, his junior at college, suddenly confessed to him during their student days, Yuu felt so embarrassed that he gave him the brush-off. He was brusque with Hotaka, but even now, he regrets hurting his cute junior he cared about more than anyone. However, when they happen to meet each other again after several years, Hotaka has turned into a devilish man who’s bent on seducing a drunk Yuu….
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Kojima Umeko is a tiny little girl, hyper violent and has just arrived to take over the 5th grade of her new school. She's rude, obnoxious, and even talks back to the teachers. Only she's not a student. She's the new 5th grade teacher…
Collection of stories.
Mainichi Seiten series: Vol 1-2 Mainichi Seiten Vol 3-4 Kodomo wa Tomaranai Vol 5 Children's Time Vol 6-7 Kodomo no Iibun ----Aki-chan no Iibun Vol 8 Isoganaide Vol 9-10 Hanaya no Nikai de
Daisuke is a 23 year-old new schoolteacher. He ends up being put in charge of a 3rd grade elementary school class since the previous teacher quit, and in that class there's a girl who's quite a troublemaker--Rin Kokonoe. You could call her a masegaki (used to describe a kid that acts more like an adult in some ways), and she's also part tsundere (though more dere than tsun).
Sana Kurata, a child actress, faces many problems in her classroom, including a major one - her bullying classmate, Akito Hayama. Sana's outgoing and friendly nature leads her to work towards correcting all of the problems around her. Her 'meddling' irritates Akito but at the same time captivates him, just as Akito's gloomy nature irritates Sana and compels her to change him. As these two opposites attract each other, they face many hardships which bring them closer to a mutual understanding. A story of growing up, letting go, falling in love, and falling out. It chronicles the relationship of Sana and Akito throughout elementary to high-school. This manga won the 1998 Kodansha Manga Award for shoujo. An extra epilogue book called 'Deep Clear' is available on MangaFox which is set a few years after the end of the Kodocha series. 'Deep Clear' is a cross-over with Obana Miho's other work, 'Honey Bitter'.
A single father who never had any trouble with his son discovers that his son might have impregnated his girlfriend... Heartwarming series of short stories about a father and his son. No yaoi, but there is one story about friends of the father where we can be suspicious about their relationship. (from Possible-Soup & aestheticism)