Conspiracy, betrayal, and war that revolves around the Chess Isle Crest! Amidst these events, one man's sleeping resentment and grudge starts to become conscious and real. Webtoon from Naver Please address this work as a Manhwa (Korean word for cartoons)

From Rebellious Love:

A 17-year-old girl, who has no experience with guys, one day sees a classmate drop something and without realizing what it is, she returns it to the guy. But soon she finds out that what she picked up was actually a condom! After school, she coincidentally meets the guy in the hallway and she's excited to be so close to a guy for the first time! But when she sees him flirting with other girls, she realizes that he's just a player...? What will happen between them?!

From JShoujo Scans:

1. Animal Trainer

Sawa has been going out with Manabu for almost a year. He's kind, gentle, and giving. She has no complaints, seeing as how he's the perfect gentleman, and she figures that if they continue to date, they'll eventually end up marrying. One day, Manabu takes her out to a bar, where he introduces her to a friend of his, who turns out to be someone she used to know back in college. On her taxi ride back home, she finds that she took her former classmate's cellphone by mistake. He asks if he can come pick it up at her apartment, and when he arrives...

2. Friends Forever

Chiaki, Yui and Mai were childhood friends that stayed close, but Yui's death throws everything into chaos. Chiaki is determined to discover the truth, if it was suicide, murder, or something much more disturbing.

3. The Perfect Day For Moving To The Big City

College student Miho is new to Tokyo, a bit lonely, and glad to have found a friend in the beautiful Youko. Then Miho attracts the attention of Tobi, a handsome sempai that Youko has a crush on. Miho loses her friend but now Tobi won't leave his fun new "toy" alone!

1) Training Love
What happens when Tachibana finds out that Aya has a secret hobby, will he tell Fujiki, who Aya likes or will he keep it a secret? Soon Aya starts to have feelings for Tachibana, how will it go?

2) Pale Sacrifice
Yuri's handsome bodyguard Kashiwagi is always there to protect her. But at night he changes into a wolfish guy and Yuri wouldn't mind being eaten up...

3) Midsummer Temptation
Shiori was a substitute teacher when she met Yuu, and now the two have been dating for awhile. But Shiori is trying to find a job and the stress may be too much for their relationship.

4) The Wound
Mayu has just started dating Kazuya, the hardworking guy she sees every day on her way to work. But there's something she's worried about telling him: she was in a car accident when she was three and has a huge scar that runs down her body. But Kazuya won't mind, right?

Remake of Macross.

From Ivyscan:

1) Poor Chikako, who’s always changing schools, has fallen in love with her classmate Abe. In three days, Chikako will have to face changing schools again, but what about her love for Abe…

2) - Weather Forecast, Sunny -
Hikaru loves rainy days because that’s when she gets walk to school with Takehiko, but the end of the rainy season heralds changes more disturbing to Hikaru than just the weather.

3) The Wind Plan -
Kurinama Sho comes up with the perfect plan to get close to his ideal girl, Student Council President Sakatsumu Nakano. The plan works, but his idol is not quite the girl he thinks she is…

4) The Kingdom of Fairytales -
He’s a prince–well, more like a playboy. She’s his destined lover–along with the 58 other girls he’s used that line on. Can this unlikely pair make their fairytale end happily ever after?

5) Candy Romance -
A bittersweet story of the joy and pain of first love.

Collection of short stories:

1) Butterfly Cloud
Best friends Kiyo, Kanta, and Goma live in a small, depopulated island in the Seto Inland Sea. One day, a transfer student from Tokyo arrives. Before long Ritsuka, a cute and fair-skinned girl, started hanging out with the three best friends, but what happens after?
This story was released as a oneshot in the Bitter - Nakechau Koi Monogatari anthology volume.

2) Middle School First Year - Less Than Love
Koizumi Kana is in love. And her love for Fujimoto made her imagine him as a total different person and do all sort of silly things, even as far as to steal a pencil lead. What will happen when suddenly Fujimoto asks her out and she finds out that he is not the person she imagined?

3) Middle School Second Year - Man Hater
Mitsuki Abe is always being sexually harassed which lead to her aversion for men. Torii after being falsely accused for groping Abe decides to catch the real culprit. What will happen when Torii betrays her by accidently kissing her. Will Abe ever trust any other men? Will Torii catch the real culprit and be the exception for Abe's hatred?

4) Middle School Third Year - The Cherry Blossoms Scatter

From Attractive Fascinante:

1-4) Super Dakaretai Otoko
A high-schooler, Asakura Shinobu, is a new illustrator and his cousin, Kouki, is living with him and loves him. The editor, Watase Riku, and the novelist, Shirakura Yuushi, are both extremely interested in Shinobu’s body. Shinobu admires Riku very much. When Riku asked Shinobu to use his body to satisfy Shirakura sensei, will he agree to it? How would Kouki save Shinobu from the attacks by the two perverted men? Who will Shinobu give his first time to?

5) Jungle and Naked... and Me?
Young artiste Haruma is injured and lost in the jungle when he is rescued by a mysterious man. Though they can't communicate with words, Haru finds himself touched by the man's unfailing kindness.

Masaki is a teenage senior high school student, whose boyfriend is 8 years older and his homeroom teacher, Tokuyama-sensei. As teacher and pupil, of course they need to keep it a secret, but both heart and body are carried away in this dangerous relationship because it's a passionate and erotic love!

On a rainy Friday, Yayoi makes an effort to go to the store to get a new pair of glasses. With her poor eye sight she ends up bumping into a guy who is soaking wet and this guy ends up helping her get to the store. He runs off quickly and Yayoi is unable to thank him. From that day onwards she labels him as Mr. Friday and has him constantly on her mind. Now her life is filled with wonder and questions as she fumbles to try and find the truth about who Mr. Friday might really be. Can it really be someone from her school?

Also includes a short story, P.M. Dream, about a teenage girl who is considered to be very much like a cool guy. She is the daughter of the owner of a boarding house, in which the bearded Kuma-san boards.

What if the Meiji Restoration never happened? Bakufu still holds sway, the class system has never been abolished, and there is no westernization. The story is set in modern-era Edo, which had never been renamed to Tokyo, where people go to Kabuki for entertainment and hang out at pancake house. It centers around Sobi, the sister of an Edo magistrate who goes to school with Michisato, who prefers to be called Michel, the eccentric son of the ruling Tokugawa clan's Mito family.

Special Extra Story of One Piece 

The son of the Qin emperor is in danger. The soldiers have cornered him and things look pretty bad for him. Just when he was about to lose hope, a stranger with golden hair appears and saves him and his mother. Follow their adventures as they try to stay alive and unite the land under one ruler!

From Fantasyshrine:

1-5) Chokujou Lover's
Iseya Shou is the captain of the kendo club which is about to be shut down due to insufficient members. How far could he go to recruit additional members? Enters the charismatic student council president, Yagami Keishi. How does the manipulative strategist finally capture his guileless target?

6) Your True Face is My Secret

From Huffly Parfait Scans: This story is about the dog named Chokotan who has the ability to speak with humans in the human language. Nao, her owner, likes a guy named Arima. Arima has a dog named Hatsupi. On Hatsupi's birthday, Nao makes biscuits that are edible for both dogs and humans. Nao and Chokotan bump into Arima and Hatsupi on the sidewalk and Nao runs away before she can summon the courage to give the biscuits to Arima. Chokotan encourages Nao and she makes up her mind to go back and give the biscuits to Arima. Now then, will she be able to approach Arima while she's not even able to talk casually to him? And how about Chokotan's secret? - The Story about the talking dog and her Owner's clumsy-love-story!

Kobaku’s beloved Tsubasa is the lead singer of a popular group. One day, Tsubasa suddenly found himself living alone, with Kobaku at his doorstep proclaiming to be his future wife! New experiences made Kobaku believe that this is what married life is supposed to be like! Tonight…is their wedding night! Kobaku, good luck~!

Valentine's Day is coming up, bringing both sweet and sad memories for Nana and Hitomi

Older cousin returns after six years to find his younger cousin has grown up really pretty.

Himawari Sakura's father has passed away and she has inherited the entirety of the yakuza organization. To protect her, Iwama Chibaki (a man with a distorted past) gets hired as her bodyguard.

Fifteen year-old Ichinose Fujiko works as receptionist in her family's bath house. Since her first love when she was 6 years old, she has not met any boy that makes her heart throb. Miyata-kun saves her little brother from being run over; is he her second love?!