From Twilight Scans:
The story of Kim JaeHan starts now! A dad who only has eyes for his daughter faces a sudden death. His mission is now to protect his daughter DaHyun from the 12 bullies by using his powerful character from webtoon drawing when he was once alive! As a dad, he'll never let his daughter get bullied. If he sees this?... he won't let those bullies alone. Whoever touches my daughter, you're fucked.

My childhood friend Shida Kuroha seems to have feelings for me. She lives next door, and is small and cute. With an outgoing character, she’s the caring Onee-san type, this being one of her greatest strengths.

…But, I already have my first love, the beautiful idol of our school, and the award-winning author high school girl, Kachi Shirokusa! Thinking about it rationally, I should have no chances with her, but, while walking home from school, she only talks to me, with a smile even! I might actually have a chance, don’t you think?!

Or so I thought, but then I heard that Shirokusa already has a boyfriend, and my life took a turn for the worse. I want to die. Why is it not me?! Even though she was my first love…As I was drowning in despair and depression, Kuroha whispered.

—If it’s that tough for you, then how about we get revenge? The best revenge ever, that is~

A heartwarming romcom about a boy who can't help but want to punch girls and the heroines.

I am Owen Pepper, the heir of a Noble family. To begin with, there are two kinds of people in this world. The aristocracy, winners from birth, and the rest of the losers, the cattle. I am a winner, of course. Bwahahaha. Livestock, you can work hard for me today. It is the only thing you lot are good for! I have been reincarnated as a tr*sh aristocrat. My father was a villainous lord. And his son, Owen, has been deeply influenced by his father and has grown up to be a fat, incompetent boy! If this continues, my future is in jeopardy. … But I do not care about that! “I heard that there is magic in this world. If we are going to go to all this trouble, let us try to master magic!” And if you are having fun learning magic, you will soon be able to break the stigma!
(taken of NovelUpdates)

While Dokgo Rewind is the prequel to Dokgo, the latter series should be read first.

This is the story of five students who make up a crazy and unique group (the gang of the funny faces) and, in an incredible twist of luck, they befriend the cutest girl in school. Of course, they will enter into competition with many groups in their school, where teachers are tricky and sometimes clueless, where they can still defy the laws of nature to win sports tournaments and where you can still be childish, Anything could happen in this high school.

I, an ordinary high school student, Kimizuka Kimihiko, who easily gets involved in things, was appointed to take care of mysterious attache cases by mysterious men in black suits. After meeting a beautiful angel-like detective girl, named Siesta in a hijacked plane, I became her assistant.

And from there–
[You deal with the beehive, and I’ll restrain the enemy.]
[Don’t make plans that make me the victim.]

We had those kinds of foolish conversations, all while being completely broke every day and fought against <The enemies of the world>. Even when there were hurricanes, the weather-beaten duo sleep past it. Sometimes when we saved money at a casino, we would jump around on the beds at a resort hotel, only to be broke again the next day. We would walk through deserts, traverse through jungles, conquer mountains, cross oceans– The great detective and her assistant would go through these dazzling adventures–

Until she died.

And this story starts from 1 year after that incident.
I’m the only one who’s left, but I carry on her remained wishes.
This story is far from over..

A letter comes to the three Kohda sisters in Kamakura, bringing the news of their father's death. A father they hadn't seen since he divorced and left home 15 years ago. Despite feeling indifferent about their father, Yoshino, the middle of the three, and Chika, the youngest, go to Yamagata to attend his funeral on oldest sister Sachi's request. There, they meet Suzu, their young and reliable half sister.

Was nominated for the 1st Manga Taisho Award in 2008. Won the 6th Manga Taisho Award in 2013. Won the 61st Shogakukan Manga Award for general manga.

After Kang Hu’s death from bullying, the family was torn into pieces. His younger brother suppresses his resentment and heads back to school. The story begins exactly one year after Kang Hu’s death when his brother seeks to destroy the delinquent circle

Kuon Otogami was a genius pianist whose name is among the greatest in the annals of the music world. He had seven children who also all became genius pianists. All seven except for the one named Lucky that is. This is the miraculous story of a regular kid taking on godly talent!

Jumonji sits next to a rapper girl who is also anti-social... what will they do to realize her dream of becoming a real rapper?

The former all-girls Yurigawara High School is going co-ed this year. The new student, Mizuhaya Saotome, meets Kaeri Uchihishi, the head of the school discipline committee, who talks loud and acts tough, but that just makes her seem blustery and kind of a jerk! A comedy about school morality begins!

From the author of the manga "Daten no Inugami - Slashdog", a new bishoujo action series!

Interactions between this world and the one ruled by the demon lord have grown increasingly common. Unaccustomed to teaching the denizens of another world, Itou Kazuki becomes perplexed when the demon lord's daughter, an avid fan of shoujo manga, transfers into his class. "If you make my daughter cry, I'll destroy your world."

My classmate Tanaka-san is super scary. I did speak once with that Tanaka-san. She's probably not a bad person, but...

When a fiery yankee named Sudou Ayame suddenly confesses her love to Kazami Nagi, he literally can't resist out of fear for his life! Now with their relationship established, Nagi begins to learn that Ayame is more of an innocent maiden than he originally would have thought and subsequently, his own feelings for her may began to blossom too. That is, if he can survive Ayame's rough personality and her overbearing delinquent friends as well!

A manga adaptation of the School Idol Diary Special Edition.

Biorg Trinity follows Fujii, a high-school student who is in love with Enomoto Fumiho. He lives in a world where people are touched by a rare "illness" called the Biorg Bug. One day Fujii catches the bug which makes holes in the shape of hearts on his hands. What will happen to him now?

A salary man is quite depressed, especially on Mondays. At his lowest point a well-endowed High-School girl calling herself Ai-chan stumbles breast-first into his face. The concussion she gave him served as the start of their relationship.

Features additional single-page images of other side-stories, that were posted on the Authors Twitter every Monday before.

Rei, the white gal, and Naro, the black gal, gets their classmate "Otaku-kun" involved in one thing or another.

You'd think the two of them were seductively tempting Otaku-kun, but the one who was interested in Rei was the black gal next to her, Naro...

The Yuri web manga that gained popularity, has announced that it's been serialized in a tankoubon volume with over 20 pages drawn.