A young man who died in an accident while protecting a girl reincarnated in another world and was picked up by an old man. However, the old man wasn't just a person. Far from being just anybody, he was a "hero" who didn't understand common sense at all !! This is the story of a reincarnated person, Rain, who, fortunately or unfortunately, was raised by an unscrupulous hero and has acquired tremendous power. --Soon the boy grows up and makes a harem !?

Upon opening my eyes after a bus accident, I found myself in the fantasy world of a webnovel I enjoyed reading... the only catch is, I reincarnated 20 years before the novel begins! Reborn as Princess Yerenica of the small Lebovny kingdom, I'm determined to change the future in order to prevent the series of unfortunate events that will soon occur.

In the original story, my older sister, Tejavia, is pregnant with the future female lead, when she's suddenly kidnapped by the Belgoat Empire's emperor. But in my desperate attempts to protect her, I got kidnapped instead!

And as if that wasn't bad enough, my body is ridiculously weak to magic. But... strangely enough, whenever I'm by the emperor, I feel fine!

The only way to save the emperor, who's destined to die at the hands of his own son after marrying the villainess, and save myself from being afflicted by magic... is for us to marry!

"Marry me, Father."
"Father? Princess, I haven't married yet, nor do I have any kids..."

Nagatoro is a freshman girl in high school who loves bullying her Senpai. But he puts up with it, even after being put through all kinds of embarrassing situations, because he's in love with her.

The whole company knew that they they were polar opposites who fought like cats and dogs. Yet during the year-end party, the wall between them shattered after they got drunk! And so the two of them went from always being close to going off on each other to feeling very strange things following the accidental mishap...

From Tokyopop:

The year is 1921, and this is a Tokyo where monstrous steam-powered robots crash a flower-viewing party only to be cut down samurai-style by a young girl in a kimono and traditional hakama pants.

It's eight years after the horrific Demon War, and Japan is a peaceful prosperous place. Meet Ensign Ogami Ichiro, who has just graduated from the Naval Academy. He's assigned to a base in Tokyo, but soon discovers that his headquarters is the Imperial Theater and his first mission is collecting tickets at the gate.

He gamely goes about his menial jobs at the theater, surrounded by beautiful girls who seem to know a lot more about what's going on than he does, but he's about to be swept into a roiling world of robots, demons, and hot girls in uniform.

Princess Octavia was a high school girl until she was reincarnated into her beloved BL novel's world.
The fact that she's able to see her brother, the main character, and his lover so closely is a good thing, but both of them are male.
If so, won't there be trouble with future heirs?!
There's no way they'll make her take a political marriage to offer them a child, right?!
I don't want to be a character who's taken advantage of like that! If this is how it would be, I will surely find my own partner to be happy.....!!!

Beings from a different dimension have started a war with mankind. To counter this threat, an academy called "Genetics" that trains female warriors called "Pandora," who can wield special weaponry and armor, was formed. Kazuya Aoi decided to enroll in this school because of a promise with his sister, an outstanding alumnus who died in battle. There he meets second year Satellizer L. Bridgette, nicknamed "The Untouchable Queen" due to her solitary demeanor but also top of her class whose battle simulation streak is undefeated, until he came... and slowly changed her.This is the color edition from KoreaComicGThttp://www.comicgt.com/WebToon/ComicDetail?comicsIdx=134Original Mangahttp://www.comic-valkyrie.com/modules/web_valkyrie/freezing/Spin-Offs:> Freezing - First Chronicle:http://mangapark.me/search?q=freezing-first-chronicle> Freezing - Zero:http://mangapark.me/search?q=freezing-zero> Freezing Pair Love Stories:http://mangapark.me/search?q=freezing-pair-love-stories> Freezing DVD stories (omake?) http://mangapark.me/search?q=freezing-omake

Deimos was once a handsome god. He loved a beautiful goddess who returns his sentiments. The problem, well, she is his sister. For their crime against nature they were struck down out of Olympus. The brother is now a demon and the sister a rotting corpse at the bottom of the ocean. Deimos must choose between his sister and her living human incarnation. His sister is jealous. The girl is horrified and unsure of just what to make of her situation.

Based off Mikito-p’s mega-hit Vocaloid song Sarishinohara, which was based on a true story, Sarishinohara follows the story of a high-school girl’s dream of becoming a star. However, her band decides to kick her out of the band right before their big debut… What is she to do now?

In the series:

V.1 - Sarishinohara

V.2 - Dear

Goryo Daisuke is still unsure about which club to join. When he meets the three girl members of Mysterious Research Club while looking for the school's warehouse, he gets hypnotized to sign the registration form. Suzu who is obsessed with scary curses, Chiaki who only relies on her monstrous strength to perform dangerous magic tricks, and Kotone who can control people by hypnosis.

Our young protagonist faces the greatest challenge of his time... babysitting and rehabilitating three massive perverts. Their rich father has given him the arduous task of turning them into three young, refined ladies.

But don't sweat the details. You're here to self-insert, right? Just pick your waifu: masochist senpai, nympho classmate, or exhibitionist kouhai.

Countess Ashley lived her life as a black rabbit in the Demon kingdom, but died at the hands of a brave hero. Now she’s reborn in the Tolpha kingdom, which is governed by his descendants. Suddenly, prince Clyde becomes her fiancé. It’s impossible, he’s her enemy!? But Clyde is happy to embrace Ashley. “Give me a hug?” “I can’t!” When I see his face my heart skips a beat...Is it terror? Or is it love?

This is the Ayase route of the Oreimo storyline.

Ponta anxiously awaits the first big event in his high school life that will give him the opportunity to lose his virginity. A trip to the beach with his friends Taro and Jiro, in the company of three girls, Emi, Rumi, and Chisa. Coupling is done by janken and Ponta ends up with Chisa, the girl of his preference. His plans fail miserably though, when it turns out that Chisa is not so willing as he thought she would be. So, at the end of the trip, unlike his friends who tease him about this failure, he still remains a virgin. To his friends' surprise though, Chisa turns around and asks him to keep in touch.
Thus begins the romance between the two. Their friendship evolves into love, and like in any relationship, there are a few hurdles to overcome. For starters, Chisa is still very innocent and has good reasons not to hurry their physical relationship as much as Ponta would want to. Ponta, who has hopelessly fallen for her, decides to endure this and help Chisa uncover her womanhood.

Amelia, who dreamed of becoming an alchemist and worked hard, became the youngest alchemist in history to be appointed court alchemist.
However, she was harassed daily in her work at court.
In addition, her fiancé broke off the engagement and she has been exiled from court.
Amelia, who has lost everything, finds happiness in a new place with her childhood friend Thomas, with whom she has reunited...?

The story of an Annoying Senpai and his Kouhai.

In a town with nothing, in the middle of a daily life with seemingly no signs of change, high schooler Reiji Kurose was "just" living. Family, dreams for the future, childhood friends. All of them were binding him down to that city. He thought he would "just" keep on living like that. Until he met her. Is there hope in living? Is there light waiting ahead? It's the start of a boy meets girl series which reflects the "now".

By the author of Hatsukoi Zombie

Charlotte Eleanor is an Archmage that once saved the world. Using her magic to die, she instead, reverses the age of her body to a young child and starts a second life as Aria Lissen. She had a fulfilling life in her first lifetime, except for one tiny regret. In this new life, Aria is determined to find and live for that one thing she never had... LOVE.

However, she comes to find out that her 'demise' was nowhere as inconsequential to the world as it seemed, and certainly not to her mighty Five Disciples, who aren't coping that well.

The story centers on an ordinary high school boy named Keita Amano. His hobby is video games, but apart from that, he has no conspicuous traits, and has never been in love. As Keita continues his gaming life, he suddenly becomes involved with Tendou Karen, the most beautiful girl at school and the president of the school's video game club. She shocks Keita when she asks him to join the video game club.

Watch how their relationship evolves and becomes more complicated, especially when other gamers come into the picture, creating all sorts of misunderstandings and drama.

Himeko Kurusugawa and Chikane Himemiya are two high-school girls at the prestigious Ototachibana Academy in the fictional Japanese village of Mahoroba. They are also the reincarnations of the solar and lunar mikos. When their ancient enemy the Orochi (the eight-headed Yamata no Orochi of Japanese folklore) rises once more the girls’ long-sealed personas awaken to defend the world!

'Kannazuki no Miko' Spin-off Manga and 4th alternate reincarnation of Himeko and Chikane.

Kannazuki No Miko - 1st alternate reincarnation
Kyoushiro To Towa No Sora - 2nd alternate reincarnation
Zettai Shoujo Seiiki Amnesian - 3rd alternate reincarnation