There was a mage called ‘The Lone Demon King’ at the frontier.
He was just a creature that never grew old, but he was loved by the villagers as something of a guardian deity.
However, he was destroyed by a magic organization that sees his existence as dangerous.
200 years later, he is reincarnated as the second son of an aristocrat and obtains the strongest magic power.
“Let’s pretend to be a human this time”
However, being a human lover, he didn’t particularly think of revenge and has decided to pretend to be human in this life.
In his past life, he was the guardian deity of a region, and in this life, he’s a local aristocrat, but he does not know common sense. He doesn’t know how to take it easy.
As the second son of an aristocrat, he is loved by his family and friends, and while he is regarded as a master of magic in the magic guild, he becomes an ‘Immortal Mage’ behind the scenes.

Webnovel Raw: https://ncode.syosetu.com/n9450fl/

I’m not sure why I decided to buy a medusa in the slave market, but since then she insists a lot that I remove the blindfold from her eyes. Is she trying to petrify me? Or does she really want to see me with her own eyes?

I’m Shinomiya Hokage, a 3rd-year high-school boy who dreams of a survival life. One day, everyone in my school transferred to a mysterious island in a parallel world. I woke up in an unknown cave and I started moving on my own. Then, I met up with some of my classmates. My knowledge and tools in survival shines through. I was a plain guy in school but I’m the leader in this world.

In a distant place, on a certain mountain, a young dragon has been captured by a beautiful female tiger. The two, who were predator and prey, begin a journey to find a way for two animals with very different life spans to live by each other's sides.

TL;DR: Tiger Woman x Dragon Boy

Kuroto Hinata is searching for his sister, who "once existed" but is now forgotten by everyone around him. He receives a letter from the beautiful transfer student, Shirai Shimotsuki, stating, "If you want to know about the whereabouts of your sister, come to the library after school." When Kuroto goes to the library, he finds Shirai inexplicably half-naked and waiting for him.

Hisaya Minato, a normal high school student, has a female friend who is a bit peculiar. She is Aoi Hatsuki, the most beautiful girl in the high school. For some reason, they get along very well, and since they happen to live on the same floor, they gradually become good friends, coming and going from each other's houses. One day, Minato suddenly asks her to show him her panties. At first, Hatsuki is reluctant, but then she starts to roll up her skirt?

Ajin Bae suddenly dives into Dear Dane, the world’s top MMORPG, using her brother’s account—who just happens to be the master of its number one guild. Tasked with keeping her identity secret, she tries to protect his legacy, but things spiral when she’s mistaken for a creep hitting on Bloomie, a popular female player who’s secretly a male idol. Trying to clear things up, Ajin sends a video with her voice in it. But that just gets Bloomie thinking: Wait… I know this girl!

An ordinary high school boy, Yamano Itta, indulges his cross-dressing hobby by transforming himself into a beautiful girl named "Ichigo" once a week! One day, "Ichigo" ran into Kisaragi, a popular boy at school, and their sweet-and-sour romance will begin......!

Note: Originally self-published on Twitter as "女装が趣味の高1男子" (Josou ga Shumi no Kou 1 Danshi, Crossdressing High School Freshman), the first chapters were collected for commercial publication by Comic Pool on 2022-05-20 with the new name.

From MangaHelpers:

History classes have never interested Saburo. He never saw the point of learning something that happened in the past, let alone a few hundred years ago. But when he falls off a wall, he travels through a wormhole and ends up in 16th century ancient Japan. He meets a very young Oda Nobunaga, one of the most influential figures in Japanese history, who turns out to be identical in appearance as Saburo. The real Nobunaga, sick of the castle life and wanting to travel, orders Saburo to take his place. Without knowing how to get back to his time, Saburo tries to make sure history isn’t rewritten for the infamous Oda Nobunaga. [vyc]

Won the 57th Shogakukan Manga Award for shounen.

With the laboratory, where individual researches come together, as a stage, an experimental sciences love comedy with laughs and kyun kyun, drawn by Yamamoto Alfred. 

Kokonoe Yukito has always been unlucky when it comes to women. He was rejected by his childhood friend, which he thought they had mutual feelings for each other. He sister hates him. His mother neglected him— Due to all these trauma stacking with each other, his emotions were completely destroyed. When Yukito enters high school, the girls who inflicted these pain on him started to care for him...?! Thus commence a youthful Romcom full of misunderstandings!

Zagan is feared as an evil mage, he is awkward and has a sharp tongue, and once again had to put down thieves that encroached on his territory when he researching that morning. In a dark auction, he finds a white slave elf, Nephie, who holds a peerless beauty. Falling in love with her at first sight, he uses his fortune to buy her, but as poor as he is socially, doesn't understand how to connect with her. Thus, the clumsy cohabitation of the mage that can't convey his love, and the slave that pines for her master but doesn't understand how to bring it up, begins.

Komi-san is the beautiful and admirable girl that no one can take their eyes off of. Almost the whole school sees her as the cold beauty that's out of their league, but Tadano Hitohito knows the truth: she's just really bad at communicating with others.
Komi-san, who wishes to fix this bad habit of hers, tries to improve herself with the help of Tadano-kun.

Note: In 2022, the manga won the 67th Shogakukan Manga Award for the shounen category.

Banaza, who got summoned to the magic kingdom of Cryroad as a Hero candidate, due to having only the abilities of only a regular citizen, got treated as a disqualified Hero. He, who originally was supposed to be returned to his original world, due to the magic kingdom's mistake, became unable to return to his original world, inevitably has to live in this world. That kind of person, the moment he became Lv2, acquired all skills and magics, and transcended into a super cheat with all ability points broken through the limit! Even so, he does things at his own pace with an easygoing smile.

Shuichi, a high school student, ended up marrying his childhood friend whom he thought was a boy. At their reunion after 10 years, his childhood friend Yuika had transformed into a beautiful girl, which initially made Shuichi quite nervous. However, as time passed, he gradually grew accustomed to the sense of closeness as best friends—and thus, their love story as an ideal couple with a charming touch of innocence begins!

『The Overwhelming Adoration of the Sweethearted Lady!』

Alicia Ozrind, known in noble circles as the Frost Duchess, is feared for her cold and unyielding demeanor, earning her the reputation of a villainess among the aristocracy. But beneath her icy exterior lies a girl who simply struggles to express her true feelings. There is, however, one person who has melted her frozen heart—a young servant named Gray, who works as a cleaner in her grand estate.

"You’re the only one who truly understands me!"

Completely smitten and vulnerable around Gray, Alicia showers him with unrestrained affection. Whether it’s during meals, in the bath, or even before bedtime, her overwhelming sweetness knows no bounds! But their relationship isn’t without its hurdles—Alicia is a noble lady, and Gray a mere commoner.

Will Gray manage to endure the relentless love of this endearing aristocrat? This is a sugary-sweet, heart-melting romantic comedy set in a fantasy world!

Amano Emi likes wearing cute clothes. One day, as she is arguing with a pick up artist who was harassing a girl, a drink is thrown at her. She is saved by a stranger...

Short Kimi to Tsuzuru Utakata after story.

A hero undertakes the task of defeating the Demon Lord for the sake of world peace. When he arrives at the Demon Lord's castle, he is greeted by the Demon Lord with a marriage certificate in her hand! The hero is bewildered by the Demon Lord's strong appeal to marry him, but...? A love comedy about a hard-loving Demon Lord and a salt-addicted hero whose world is in danger of extinction!

A romantic comedy centered around "The School Prince" bringing the tense conflict of young boys and girls to the breaking point!