I want a do over for the me who had no courage to speak of, and be born again as a new me.

Koharu Kanba, who spent her gloomy high school days as a "social outcast", will now restart her life!!

In the race to determine the Zodiac gods, Nina the cat ranked 13th and failed to be chosen.
Because of Nina, the Zodiac race begins again for the first time in thousands of years, and the Twelve Gods descend into the world.

A seductive and lovely, full-fledged superpower fantasy girl action story!!

From MangaHelpers:

This 4-koma comedy manga follows the daily life of the intelligent, responsible 6th grade elementary school student Haruna Raika. She keeps busy as the elementary student council president and the classroom leader, and she even fills in for the teacher sometimes! [tethysdust]

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4-Koma comedy following the super genius grade school student Haruna Raika and her every day life. Where she's the class president, the room leader, the top student, and even fills in for the teacher when they've overslept!

From their worst encounter comes a story about their ultimate happiness! This romantic comedy explores the ups and downs of a serious relationship.

Maru Kang was just an ordinary kid with ordinary interests, until one day his father forces him to watch a soccer game on TV, sparking an obsession with the sport. Filled with determination, he sets a new goal for himself -- to become an amazing soccer player! The only problem is, he has already been proclaimed the “King of the Losers” at his high school. Can Maru overcome the obstacles in his path and transform into a talented and successful soccer player?

High school student Gotou has a crush on his gyaru classmate Agawa. One day after school he sees her having sex with a classmate in an empty classroom. "A 100% pure romcom that starts from NTR."

Lee Myung-jun, the Vice Chairman of Hyundo Group, lost his daughter to a group of bullies. Seeking revenge, he adopts Yoon Karma, a psychopathic defector girl.

Yoon Karma: A sadistic human weapon created through drug experiments in North Korea. After killing everyone in the research lab, she escaped to South Korea on her own.

Having just been released from a juvenile detention center in South Korea, Yoon Karma sets out to hunt down the bullies at school, driven by the desire to avenge her new father and satisfy her sadistic pleasures.

The manga centers on Poro, a demon from the underworld who comes to the human world.

The game has emerged into reality, the rules of the world have been turned upside down and humanity has entered the era of becoming players with the world set as a game stage. The only way to become a player is by leveling up to become stronger! The only way to rise to the top of the world! On the day of world fusion Lin Moyue chose to take on the sole hidden class, Necromancer. From then on, Lin Moyue would not die until his summoned creatures died out. “I sit on the throne of bones as the God of the dead and walk between life and death.” “I am a walking catastrophe!”

In the summer of his second year of high school, the protagonist, Yuushin Tahara, finds that his childhood friend, Miyu Fukagawa, who had moved away, has returned to the house next door. Although Miyu has grown up to be quite cute, there's something a little strange about her... This is a fresh and suspenseful romantic comedy about the gentle protagonist and his cute but rather quirky childhood friend, along with their friends and the adventures they get into!

Ririsa Suzunomiya, who is forced to live a cramped life at a girl's school where genuine ladies gather, is drawn to the sounds coming from the old school building...? The gorgeous and ladylike girls shout with beautiful sparks!

Maeda is a new student in the Teiken High School. He stutters when he's nervous and he's rather clumsy. He gets noted immediately because he hits a teacher during the entrance ceremony. Some clubs search to enlist him as they see in him a force they can use to get even with other clubs. But Maeda is a loner and has only one dream: becoming boxing champion. His first objective is to beat the leader of the boxing club. "Rokudenashi" translates as "good for nothing".
The manga focuses more on gang warfare than boxing.

"Spring! My college debut! The blossoming of my sexuality! Even now, I can't cum without being harassed by them." An unfortunate story in the spring of youth.

Can you give me a happy ending? Komatsu Risa is in love with her childhood friend, Sano Chihiro. Although they have a very close relationship, and are often mistaken for a couple, Chihiro is unaware of how Risa feels and accepts a confession from another girl... Heartbroken about her first love, she confides in her seemingly indifferent homeroom teacher, Natsuo.

Yu Ijin was the sole survivor of a plane crash when he was little. After becoming a mercenary to survive for 10 years, he returns to his family in his hometown.

Taiki Inomata is on the boys' badminton team at sports powerhouse Eimei Junior and Senior High. He's in love with basketball player Chinatsu Kano, the older girl he trains alongside every morning in the gym. One Spring day, their relationship takes a sharp turn ... And thus begins this brand-new series of love, sports and youth!

The year is 20XX… A time when every household owns cute maid robots known as OrderMaids. Average grade-schooler Bondo dreams of having his very own robot. But what he got was… Unable to compute!!! Life is gonna get a whole lot weirder when Roboco, the most powerful clumsy maid ever created, shows up at his door!

High school home ec expert Tenichi earns extra money with a part-time job cleaning houses. But one day, Himari, the owner and model of the popular cosmetics brand Hima Riz, transfers into his class. Say hello to some company president girl x house-cleaner boy romantic comedy hijinks!

Meirin, a junior high schooler, is the real identity of the famous "Dr. Rin" who heads a very popular feng sui website. She is in love with her best friend Asuka, a member of the soccer team. "Dr. Rin"'s advice has granted success for many, yet Meirin's own love life doesn't seem to be going too smoothly?

An earlier work by the mangaka of the popular "Beauty Pop"!

A certain boy and girl in middle school became lovers, flirted with each other, disagreed on trivial things, became more frequently irritated with each other rather than excited… and ended up breaking up on graduation.

And so, the two of them, Irido Mizuto and Ayai Yume, wound up meeting each other in the most unexpected fashion.

“Isn’t it obvious that I’m the elder brother.” “Isn’t it obvious that I’m the elder sister.”

The children of the partner of their parent’s remarriage was their ex-lover!?

The former couple, mindful of their parent’s feelings, decided on a ‘sibling rule’ where the one takes conscious of the other as the opposite s*x loses, but—

When they encounter each other in the bathroom, commute to and from school together… along with the memories of the past and living under the same roof, just how do they disregard each other!?