School Life/Office worker's/CEO's/Billionaire's/Millionaire's

Upon first sight Machida Yuki knows that she doesn’t want anything to do with Naruse Shou, but how can she keep her cool when he is a part of the basketball club she manages?

Yuu is a plain girl who had a determination to change when entering in high school. Falling in love with the hot guy nicknamed as "White Prince", but somehow she's keeping an eye in the super sadist guy nicknamed as "Black Devil"too?!

Updating

One day, Kim Yeondoo, an ordinary high school girl, is suddenly terrorized by her former friend from middle school and stalker in KakaoTalk. In order to stop this, she changes her profile picture to a picture of a random guy and posts him as her boyfriend. But, it turns out that the picture she used is the school's scariest bully, Ji Hyunho?! As it turns out, the bullies are the tsundere, Ji Hyunho, the smart and cool class president, Seo Juho, and the young man living upstairs of her home, Kang Ahun. Not only that, there's also the My Way baseball boy, Choi Seunghyun, and the pure and lively, Jung Jisung. How did she end up getting entangled with the handsome bullies?

I was gonna be just friends with you but... I won hold back anymore. Living together with my bestial childhood friend!? If he keeps chasing after me everyday, my heart won take it...

Serina arrives at school one day to discover her desk has been vandalized—someone’s scratched the lyrics to a love song in it … and that someone turns out to be Mizukawa-sempai, a boy who’s one year her senior. She wants to get to know him better, but if his frosty demeanor is any indication, she doesn’t have a chance! But it seems he might be awkward—not simply mean—and before she knows it, she’s asking him out … ! With each passing day, her heart races a little faster! Don’t miss out on this school-romance story!

When Hana was a child visiting her mothers grave, she got to know a young boy named Yuzuru. He was Hanas first love. When she heard that he ended up moving away, she thought that it wouldn be possible to see him anymore, but...? (Source: ShoujoHearts)

In the kingdom of Artoria, only one lucky woman will be able to become the consort of the crown prince. Such is the premise of the hit romance game that everyone's been playing. But, Cosette isn't your average gamer... she's a housewife that's been reborn not as the hero, or even as a rival, but as a generic background character! Cosette is doomed for a bad ending if she doesn't do something about her situation, fast! But as she finds herself drawn into the intrigue of the upper classes, she also finds herself getting closer to the crown prince himself! What will happen to Cosette in this mixed-up love comedy?

The villainess, Mystia, remembered her past life on her 10th birthday and has unwittingly turned the characters in the otome game "Kyun Kyun Love School" into yanderes! In order to avoid becoming the love rival of the "heroine" who will lead her to her downfall, she starts making every effort to break off her engagement with her "prince-like classmate!" That’s was what supposed to happen… But, because of her kind personality, her favorability increased instead! She also resolved the traumas of the "self-indulgent noble" and the "innocent yakuza teacher" causing them to hold warped affection for her. Furthermore, there was an exclusive maid she didn't remember seeing in the game… With all these abnormalities, can she change her situation by the time the heroine enters school? An unstoppable and heart-thumping number of complicated misunderstandings! A suspenseful school romantic comedy that will paint you a picture of Hell!

[PocketComics Ver] "Sir Alphonse... Ah, when I think of him, my heart burns with love. But, if I marry him, I'll become the Love King's queen and be banished from the country... an unfortunate end. Ugh, I hate this life! That's why I free want him to hate me... From that day onwards, the Duke's daughter, Louise, works hard to make her fiancé Alphonse hate her.

"I’ve been searching all this time. You’re my muse.” A super serious and pushy high school student designer, Chihiro, falls in love at first sight with Michi.  Every time she was touched and praised by Chihiro, she finds that her “real self” that she never knew existed begins to shine.  Taking her measurements with just the two of them in the classroom, kissing her hand,  and when she thinks he’s aggressive, he turns shy…!? Her heart pounds by the unpredictable Chihiro-kun! A dramatic doting love starts!!!

Hina has one-sided feelings for her childhood friend, Yakumo. However, Yakumo is actually like a helicopter parent, an overprotective mama…! "I'm happy about being doted on by the person I like, but being treated like a daughter is the worst!" Wanting to become lovers with Yakumo, Hina tries her hardest to make him look at her as a woman, but…?! The romcom between a determined maiden in love and an overly-protective boy starts now!

Twenty-year-old Jeong Seyun, a rabbit descendant, knows that dragons are considered the chaebols of the beast world. But she'd rather have a relationship based on love than an arranged marriage with a dragon. And as fate would have it, as soon as she enters college, she falls in love with fox descendant Kim Hangyeol at first sight! She musters up the courage to confess, but... to the wrong person?! While Seyun's dream of a romance come true? (Summary adapted by me from Kakaopage.)

Lily is only attracted to bad guys and has never dated anyone in real life. While waiting for a bad guy and rejecting all the good guys who approaches her, she meets Hyun-woo, the school's top trash senior. Lily goes straight to Hyun-woo, her ideal type for a thousand years, but Hyun-woo's reaction is cold and painful. She experienced this all by herself and it's rather good?!

Kippei Katakura is a 17-year-old playboy who spends his time chasing girls, careless of their feelings. But when his 5-year-old cousin Yuzuyu comes to live with his family after her mother's sudden disappearance, Kippei is put in charge of taking care of her. As Kippei gets to know Yuzuyu and starts to understand how she feels, he also begins to realize that all girls were like Yuzuyu once.

"La più brava studentessa del suo istituto e la perfetta presidentessa del comitato studentesco, che respinge tutti, Watanuki Layla, ha un segreto. Casa sua è un love hotel?! Mentre cerca disperatamente di nascondere questo fatto, Sangatsu Owaru, il nuovo segretario lo ha accidentalmente scoperto?" QUESTO MANGA LO TROVATE SUL FORUM MANGA COSMO, SONO AL CAPITOLO 11 https://mangacosmo.forumfree.it/ OPPURE ANDATE SULLA NOSTRA PAGINA FACEBOOK ^^ https://www.facebook.com/MangaCosmo/

From Lovesick Alley: When Konomi and Tora were five, Tora moved away and got separated from Konomi. Ten years later, without any communication with Tora, Konomi decides to move on. Just as she declared it, her other childhood friend, Mikkun, asks her out! And right when she’s decided to consider Mikkun, Tora suddenly appears?! A crazy love triangle story between three childhood friends is set to take place!

Crash is about a girl named Hana who has a very unusual gift. Her home is a talent agency and she helps her mother using her "gift".She literally has nosebleeds when she sees someone with celebrity potential.Naturally, this is a secret she keeps from her classmates. On the company's anniversary, Hana is sent to find a new awesome talent. And that's when the story unfolds...Also included is a short story called Piyokko 24 in vol. 5.

Thrown into an R-rated ruin-romance game, a lone heroine wakes under the roof of a powerful crime family. To keep a quiet, safe life, she has to stop the budding gangster male lead from “blackening” and push the story toward a happy ending. As school life, forced cohabitation, and the game’s harsh rules collide, their relationship begins to turn worryingly sweet. “Why are you only kind to me?” A sweet but dangerous survival romance where letting your guard down could cost everything. want me to update any earlier blurbs the same way?

From AQUA Scans:Once upon a time there was a wonderful prince… A super rich and handsome prince with a genius IQ of 500, extraordinary physical prowess… An outrageously overpowered super star…!! What will happen when this ridiculously overpowered ultra-high spec boy and a certain ultra-level-headed ordinary girl meet…?!

Sid, who is a Shark Princess of the underwater kingdom, falls in love with Raun, a member of the boy band BUB, and runs away to the surface to see him. Things are going great until the famous teen actor, Jihan Kang, steps into her life unexpectedly and they keep crossing paths. Will Sid be able to keep her secret and get what she came up to the surface for?