I am cute, but I was a middle-aged researcher in my previous life?!
Surviving in another world with magic and sciences!!
The orphan Ren was riding the carriage after being sold, when she got involved into an accident, and got her previous life's memories back!
"I was... a middle-aged man!"
Indeed, she was a researcher in his thirties in her previous life, and had been living as an orphan girl up to now!
Ren will make use of her talents in magic and knowledge in science to survive in this harsh world in order to escape from the investor who bought her!
This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! It is also Known as: よくわからないけれど異世界に転生していたようです, I Don't Really Get It, but It Looks like I Was Reincarnated in an Another World
Genres: Comedy , Ecchi , Fantasy , Gender Bender , Seinen , Isekai , Magic
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Top 5 Manga Like This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! (Yoku Wakaranai keredo Isekai ni Tensei Shiteita You Desu) [2024 List]
5. Sentouin, Hakenshimasu!
The Secret Society Kisaragi has one mission: world domination! They claim to be an evil organization, but their scientist is eccentric, their hot female generals wear little clothing, and they’re surprisingly concerned about the fate of the world!?
No. 6 is a Combatant for Kisaragi, meaning his body has been reconstructed to be stronger and obey the orders of the generals. His latest mission? To do recon on an unknown alien planet with his new partner, the deadpan android Alice. There, he meets a busty female knight...riding a unicorn!? Thus begins their hilarious invasion of a magical fantasy world!
Combatants Will Be Dispatched is currently publishing and has Chapters. It is also Known as: 戦闘員、派遣します!, Sentouin, Hakenshimasu!
4. Nidome no Jinsei wo Isekai de
All of a sudden, out of nowhere. "Renya Kunugi, you have passed away!" So said the young girl who styled herself God. Apparently, Renya Kunugi the protagonist had lived long and prospered. His life already came to a peaceful and fulfilling end, but at the request of Her Holiness, he was transported to an alternate world to start a new life as a young man. Thus did Renya, who was definitely your average everyday guy, end up fighting off bandits and vanquishing monsters. Eventually, after his successively blossoming talents coalesce into a force of sheer awesomeness, he will go on to leave his mark upon this alternate world.
Note: Includes 6 extra chapters.
Second Life in Another World has finished publishing and it has 55 Chapters. It is also Known as: 二度目の人生を異世界で, [New Life+] Young Again in Another World
3. Isekai Meikyuu de Harem wo
A man was about to commit suicide and decides to search for a way to die in the internet, but then he found an odd site that asked a lot of questions and had a point based system that allows you to create skills and abilities for a character. He took interest in it and when he finished setting his character he was asked "You will now be transported to a world with the settings you choose, coming back is not possible, do you still accept." Then, without thinking much of it, he pressed "Yes," and he found himself in another world with the skills and abilities he choose to have...
Isekai Meikyuu de Harem wo is currently publishing and has Chapters. It is also Known as: 異世界迷宮でハーレムを, A Harem in the Fantasy World Dungeon, Isekai Meikyuu de Harem o, Slave Harem in the Labyrinth of the Other World, Başka Dünyada ki Bir Labirentte Harem Kurmak, 在异世界迷宫开后宫, 异世界迷宫里的后宫生活, Fantazi Dünyası Zindanında Bir Harem, Getting a Harem in an Otherworldly Labyrinth
2. Isekai Maou to Shoukan Shoujo no Dorei Majutsu
An elite but socially-stunted gamer finds himself in another world, inhabiting the body of his character Diablo. But despite his powers, his awkwardness keeps getting in the way–so he decides to pretend to be a Demon Lord and soon finds himself with a pair of slaves: a well-endowed elf and a cat girl. Together, they struggle with everything from interpersonal relationships to diabolical beast battles!
How NOT to Summon a Demon Lord is currently publishing and has Chapters. It is also Known as: 異世界魔王と召喚少女の奴隷魔術, The King of Darkness Another World Story: Slave Magic
1. Mushoku Tensei: Isekai Ittara Honki Dasu
Just when an unemployed thirty-four-year-old otaku reaches a dead end in life and decides that it's time to turn over a new leaf—he gets run over by a truck and dies! Shockingly, he finds himself reborn into an infant's body in a strange new world of swords and magic.
His new identity is Rudeus Grayrat, but he still retains the memories of his previous life. Follow Rudeus from infancy to adulthood, as he struggles to redeem himself in a wondrous yet dangerous world.
Mushoku Tensei: Jobless Reincarnation has finished publishing and it has 330 Chapters. It is also Known as: 無職転生 ~異世界行ったら本気だす~, Mushoku Tensei: Jobless Reincarnation