The amazing deductions of “Get ‘er Done” Holmes brings out the intellect of "Mr. Cool" Watson?! A new case awaits in 21st century Yokohama! Fourth year university student Homura Shiraki takes up a room share with Sou Watase, a man who is allergic to ultraviolet rays and can’t go outside. Homura begins work as a detective-like “investigative assistant” who goes out in Sou’s place. This odd-couple pair steps into a strange case, guided by the wordless voices of the dead… (Source: Bunkasha)
After a long battle with illness, Yuri passes away and is reincarnated into another world as per a pact with God. Unable to move properly in bed, Yuri, who had always longed for a slow life, is given the bare minimum of abilities to survive in the other world and begins his second life as a boy named "Yuri." Using the skills he has been given, he manages to create an environment for food, clothing, and shelter, but monsters are rampant in the other world, and every day is a life of crisis! One day, Yuri finds a spirit collapsed in the forest... (Translated from BookWalker)
Karl de Hamilton is a disgusting villain aristocrat who appears in Extreme Eroge. Because of his terrible appearance, most people hate him, and he lives a lazy and withdrawn life. Okay, since I've been reincarnated, let's train our bodies and lose weight for the time being. Not only me, but also other terrible-looking friends (villainous young lady) are invited to go on a diet together! In order to avoid the ruin flag of being killed by the main character, try not to get involved with the main character as much as possible and aim for a slow life! There are many villains other than me, so destroy the scenario so they don't do anything wrong! Oh, why do the main characters, SS-class heroines, care?
One day, Countess Rosalie witnesses her lover, Hayden, cheating on her. Heartbroken, Rosalie becomes timid about love. However, she is then proposed to by the dashing future Marquis, Rufus…!? A school romance story between a love-challenged young lady and a notoriously cold knight! (Source: Flex Comics, translated)
Cocoa Spice, a kind-hearted Saintess with fragile beauty and powerful holy magic ......This is only a front. The true nature of the saintly woman is that she is a very careful person who is working hard to save money for her retirement. She was originally a street child, and she was determined to make a living on her own, without relying on others. That pride has carried on now that she has become the Saintess. The prestige of the Pope? A love call from a prince? The clutches of a gangster? Whatever the obstacle, if I don't like it, I will strike in every possible way!
From [MangaHelpers](https://www.mangaupdates.com/groups.html?id=1011): Jun is a part time assistant director for a variety TV show that takes place in abandoned buildings and ruins. Today's episode features a massive former residential complex on Yagou Island, once a thriving coal mine settlement but now an abandoned island. Jun receives a video message on his phone from a bandaged man in a wheelchair claiming to be from the future. "Everyone is going to die." Yagou Island has a legend surrounding it. The locals say that the island is a forgotten land, an island that does not know time. And it is on this "Island of Time" that Jun and the rest of the crew have to avoid being killed, setting the scene for an unexpected murder mystery.
Upon meeting the girl who would become her adopted younger sister, the duke’s daughter Christina regained memories of her previous life. Through those memories, she learned that her new sister, Mishuli, was the heroine of a certain story. And though the story depicted a Christina who abused her sister, the real Christina turned into a siscon who spoiled Mishuli to no end. Unfortunately, one day, Christina realized something. The best future for Mishuli depended on that story’s ending. And by following that story, whether it was execution, suicide, or exile, nothing fortunate would await Christina. Even knowing this, Christina would not waver. It was all for the sake of her sister. This is a story about a siscon girl who ignored her own destiny, to bring happiness to her sister.
The strongest assassin, known by the name "Killer Bee," dies in a reckless quest for revenge after his little sister is murdered. But his soul does not disappear. Instead, he is reincarnated as Liese, the villainess of an otome game. To defy the cruel fate that demands Liese die in every single route, the strongest assassin takes up the blade once more in his second life. (Source: Overlap, translated)
Matsumoto Yuu, a systems engineer, was transported to another world along with his pet cat, Orihime. There, he meets Annemarie, an impoverished noblewoman, and decides to help rebuild her territory... Using his programming knowledge and skills, he works hard to restore the land! Moreover, Orihime also gains an incredible power... What will happen next?! The revolutionary fantasy of a development-loving systems engineer begins in grand fashion! Official JP: [Comic Earth Star](https://comic-earthstar.com/episode/2550912965414830131), [Official channel of Comic Earth Star](https://manga.nicovideo.jp/comic/72318) in Nico Nico Seiga Original webnovel: [Shousetsuka ni Narou](https://ncode.syosetu.com/n3803ik/), [Kakuyomu](https://kakuyomu.jp/works/16818093084533674937)
The protagonist, who worked as a pharmacist in Japan, is reincarnated in another world as Marianna, an apothecary attached to the Royal Court. However, she begins to question the sloppy medical system of her new environment; as a result of taking action for the sake of the patients, she incurs her superior’s resentment and is fired from the palace. —"I shall do things my own way, then." With a fresh outlook, Marianna relocates to the Margrave’s territory. Using her cheat-level compounding skills and pharmaceutical knowledge, she sets out to develop new medicines and overhaul the medical system! Alongside a handsome Margrave who—for some reason—has taken a liking to her and won’t let her go, and her fluffy, adorable spirit companion, Marianna produces one achievement after another. Before long, medical care in the borderlands begins to evolve at an astonishing speed...!? https://www.cmoa.jp/title/337394/
Nishino Gokyou is a dull-faced high school boy stuck at the bottom of the school social caste, and the one with the greatest superpowers in the neighborhood. While he tries to be a gentleman, he is busy with his work that makes use of his abilities. He thought this life of cynical solitude was fine. However, in the fall of his second year, the virgin boy recognized the preciousness of youth during the culture festival. He realized the importance of relationships with the opposite sex. With this, Nishino decides to turn over a new leaf from the simple life he had led, and his new life goal is to find a wonderful girlfriend and enjoy his high school life together with her. He uses every means in his disposal to try to move up the social ladder, but it never seems to quite work out, in this hard-boiled story (with plenty of super-powered battles)! (Source: MF Bunko J, translated)
An adept mahjong player is coerced into playing in a high-stakes, life or death gambling den.
