Most Popular Manga Of All Time (Best Selling)

When a mysterious explosion killed an entire class full of high school students, the souls of everyone in class was transported into a fantasy world and reincarnated. While some students were reincarnated as princes or prodigies, others were not as blessed.

Our heroine, who was the lowest in the class, discovered that she was reincarnated as a spider!? Now at the bottom of the food chain, she needs to adapts to the current situation with willpower in order to live! Stuck in a dangerous labyrinth filled with monsters, it's eat or be eaten!

This is the story of a spider doing whatever she can in order to survive!

(Source: MU)

Koume Sato and Kosuke Isobe are two teenagers living in a sleepy seaside town. After getting used and dumped by her crush, the emotionally damaged Koume decides to start a sexual relationship with Kosuke, without any emotions involved. However, they both soon discover that sex with no strings attached do lead to unexpected complications, not just for themselves but also the people surrounding them.

(Source: Kotonoha)

Growing older is pretty rough and Kenji is finding out just how hard it can be as life starts wearing down on him. On top of trying to make ends meet running a convenience store he has to care for the niece that his missing sister left in his care. Memories of youth make it easier, until those memories come back to haunt him
Picking up directly after the events of 20th Century Boys, it seems like the world is finally out of danger, but the mystery of "Friend" still exists. As the world is threatened again, Kenji must search his memories for any clue about "Friend".
(Source: ANN)

For a certain reason, a handsome young calligrapher by the name of Seishuu Handa uproots himself and moves to an island on the westernmost edge of Japan. "Sensei," as he comes to be known, is a city boy through and through, and has never experienced rural life until now. And by the looks of it, he has much to learn! From navigating public roads by tractor to resigning himself to having his new digs commandeered by the local children as their new hangout, the list of Sensei's hardships is shaping up to be long indeed!

(Source: Yen Press)

Chapter count includes one extra and four side stories published on volume 18+1

While spending summer with his mother, Haru meets Ren, a boy newly adopted by his mother. Getting along with Ren isn't easy as Haru's goal is to "civilize" him by the time summer ends. Their relationship slowly improves as Haru spends more time with Ren and in return Ren steadily warms up to him. Can they really become a "family" at the end of summer!?
(Source: Bliss)

Hideki's just like every other guy in the 22nd century. He just wants a good job, a good car, and a sexy robot girlfriend to call his own. Until he lands a job, he'll never be able to afford his own 'Persocom' companion. Hideki's luck changes when he discovers Chi--an adorable but seemingly stupid Persocom--tied up in a pile of trash. His first robot companion turns out to be a lot more responsibility than he expected, and she gets him into quite a few embarrassing situations. It's 'boy-meets-girl' for the cyber age. (Source: Tokyopop)

In the decade since the world became aware of the existence of magic, the world has undergone massive upheaval. However, a boy named Touta lives in seclusion in a rural town far removed from these changes. His ordinary life is highlighted by his magic-using female teacher and his supportive friends. When his tranquil daily life is disrupted, he embarks on a unique adventure.
(Source: ANN)

Takashi Natsume can see spirits and demons that hide from the rest of humanity. He has always been set apart from other people because of his gift, drifting from relative to relative, never fitting in. Now he's a troubled high school student who has come to live in a small town where his grandmother, Reiko, grew up. And there he discovers that he has inherited more than just the power of Sight from the mysterious Reiko. When Reiko was Takashi's age, she bound the names of demons and spirits in her Book of Friends, enslaving them to her every capricious whim. Now Takashi is the owner of the book, and the creatures will do anything to get their names back.

(Source: Viz Media)

Inuyashiki has a family, a wife and two kids, none of which care about him. When he learns that he has only three months to live, he realizes that the only one who will miss him is his dog. Shortly after this realization, he is killed in a crash landing by aliens. He is rebuilt by them as a machine with a human exterior. How will his life change now that he isn't human?

(Source: Dan of Population GO)

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will.Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again.(Source:Mangadex)