Ayu and Hitsuji have been friends since kindergarten, but when Hitsuji tries to take them a step further, Ayu panics. Trying to maintain the blurry boundaries of their friendship proves difficult however when she soon has to watch helplessly while Hitsuji is gravitating towards the new music teacher. (from dynasty scans)

As an elementary schooler, Araki Yuuhei saw a live music show and was deeply inspired. Now in middle school, he reunites with his music-loving friend Matarou and gets a strange crescent-shaped guitar. From there, Yuuhei becomes obsessed with guitar and ends up performing at his first live show with Matarou!

From Transcendence:

On a hill overlooking the sea, in a town that retains its old-world beauty, a new and gentle love story begins!

The Gyaru sitting next to me is always sucking on a candy (or lollipop). She makes a "lero-lero" sound with her long tongue, as if she's trying to provoke me!

Any healthy boy going through puberty would look at that with a perverted eye, right?! Don't look... Don't look, me! If she finds out I'm looking at her in a lewd way, my school life is over...!!

“Scramble Love” is a smash-hit Japanese romantic comedy manga with over 10 million copies sold.
I was thrown into the world of that manga—one I had never even read.
And not as a main character, but as a forgettable extra with barely any role.

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!

May I never be born again
Trying to throw yourself off the roof of the school
A boy, Ayumu, who lived an ordinary junior high school until half a year ago.
What pushed him to this point? And what is the true ending that awaits...?

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!!

Delinquent girls X Pro wrestling X SNS - a unique yankee entertainment that creates a new chemical reaction!!

Ordinary office worker Oohashi Rei wakes up in the body of the protagonist of her favorite otome game, Revolution. To her delight, the first person to greet her is also her favorite character, Claire Francois–the main antagonist of the story! Now, Rei is determined to romance Claire instead of the game’s male leads. But how will her villainous lady love react to this new courtship?!

Links:
Author's Twitter: https://twitter.com/inori_narou - Tweets in English, Japanese, and Korean.
Artist's Twitter: https://twitter.com/aonoesu - Tweets only in Japanese.
Official English Novel: https://sevenseasentertainment.com/series/im-in-love-with-the-villainess-light-novel/

One day, Doppo, the high school protagonist, suddenly heard a voice from his phone saying “The game has begun.” and that the “chosen challengers” have been taken to another world. If they complete their mission, they can return to their original world. However, this new world is filled with terrifying monsters… Can they survive and return to their original world?!

Eiyuu (A.U.), a high school boy, has a problem! Two childhood friends "Shio" and "Akari" who go to the same high school are too cute! If they find out that I'm the only one looking sexually at them now that they've grown up, even though I have no intention of doing so... that would be too much! On the other hand, the two childhood friends also have their own secrets...? It's so awkward! It's complicated! But childhood friends are the best! A sweet and impatient love triangle love comedy where you can't be honest!

A prodigy of science and a solitary genius—yet terrible at so many things!?

Poor university student Sanosuke Saraki unexpectedly reunites with his admired genius classmate, Koharu Kobachi, at his part-time job back at his old school. However, this supposed genius is now a "5th year high school student" who has repeated her second year in a row...! Saraki's mission is to "make Koharu graduate by the end of the year."

Monsters have long threatened humanity’s existence. To fight against these beings, Keith, the youngest person to ever become a sage, joins a knight order and shows immense success on the battlefield. However, that doesn’t last long, as a quarrel with an incompetent higher-up gets him fired from the order. With nowhere to go, Keith is assigned as a teacher, and with his talent for bringing out the best in his students, his class is about to reach unbelievable heights...

The story is about the forbidden romcom between 7 siblings.

Hatori is an average teen boy with no passions in life. One day he meets Furuta, a girl with a keen eye for the extraordinary that's hiding in the streets where they live... Small wonders can change the world in this (extra)ordinary coming of age series!

Youth romcom about 4 sisters who are all experiencing their first love at the same time. While the eldest is having a crush on the guy at her part-time work, the other three are dealing with their first romantic experiences with boys in their classes and school clubs. Every night, the four have heart-to-heart girls talks as they navigate their respective first loves.

The beautiful English teacher Momoko Irosaki receives what she thinks are the lustful gazes of her male students every day... or so she misunderstands!? What goes on in the school life of a teacher who inadvertently indulges in fantasies full of allure...?

Kuzukake Shoutarou is a high school boy whose only family went missing while traveling. The ones who came to his rescue? The strongest stepmothers ever!? Housework and daily life taken care of down to the last detail!!

“Having you sit next to me is... depressing. Don’t talk to me.”

Himuro Kuru—When I first met her in high school, she was an extremely cool, beautiful honor student who wouldn’t let anyone get close to her. But now…

“Hey, hey. Is it okay if I… stay this close to you today?”

Sakuragi Kuru—Ten years later, she’s married to me, Sakuragi Susumu, and she has become a cute girl who wants to be lovey-dovey with me every day!?

At school, on dates… every time she actively gets closer to me, her cold heart begins to melt…