ライトノベル、マンガなど電子書籍を読むならBOOK☆WALKER

Itsumi Tachibana, a high-school bad boy with nothing more to do than beat people up... or at least, that's what his fellow classmates think. While his resting angry face and inapproachable aura has students running the other way, he is just you're average guy with an affinity for cute things and cats. He doesn't mind the stares or the frightened looks however, since he has two friends who are equally weird and inapproachable. Thanks to them, he can enjoy high school life just like everyone else.
But one trip to the Student Council Office and suddenly, his calm high school days are no more.
There he meets Seima Takajo, the brilliant, handsome and popular Student Council President.
“...What could he possibly want with me...” Tachibana thought to himself.
The last thing he may have expected was a confession from the popular Takajo himself... but he got just that! And Takajo is not shy about it either. He is determined to make the delinquent-looking Tachibana his princess～
Will Takajo succeed in sweeping Tachibana off his feet? Can Tachibana trust such a handsome and popular guy like Takajo? Find out in “You are My Princess” !

A certain college girl who's loved books ever since she was a little girl dies in an accident and is reborn in another world she knows nothing about. She is now Myne, the sickly five-year-old daughter of a poor soldier. To make things worse, the world she's been reborn in has a very low literacy rate and books mostly don't exist. She'd have to pay an enormous amount of money to buy one.

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

After hitting her head particularly hard one day, Duke Claes' daughter, Katarina, suddenly recalls all the memories of her past life: that of a teenage Japanese girl. Just before her untimely death, this girl recalls playing an otome game... that is exactly like the world she's living in now!
She is now Katarina Claes, the antagonist of the otome game, who nastily hounded the protagonist until the end. Knowing all the possible outcomes of the game, she realizes that every single possible route ends with Katarina being murdered or exiled! In order to avoid these Catastrophic Bad Ends, she has to use her knowledge of the game and her own wiles, starting with breaking off this engagement with the prince...
Will Katarina survive while making her way through this world, where bad flags trip at every turn? Find out in this reverse-harem rom-com, led by everybody's favorite villainess!

Subaru Natsuki was just trying to get to the convenience store but wound up summoned to another world. He encounters the usual things--life-threatening situations, silver haired beauties, cat fairies--you know, normal stuff. All that would be bad enough, but he's also gained the most inconvenient magical ability of all--time travel, but he's got to die to use it. How do you repay someone who saved your life when all you can do is die?