From Yaoi Is Life:

Saichi and Kotetsu are drawing manga as a team while living in extreme poverty. At loss for an idea, both of them decided to write a “real BL” based on themselves! They rise to be a star in the BL world, but…?!

"The other short stories within explore a schoolboy crush that turns into something more, an antagonistic relationship between a wealthy heir and his crush, and the love life of Usaki, the editor of Saichi and Kotetsu’s stories" (June).

Mizuki gets confessed to by a boy in front of a special Mirror. Legend has it, that if you confess to someone you like in front of that mirror your wish comes true.
There is a slight Problem in this Equation: Mizuki is just a very feminine looking boy.
Also it seems that he caught the Attention of the Norse Trickster God Loki while glancing into the Mirror. Loki decides out of boredom to mess with Mizuki and turns him into a real Girl.

From MangaHelpers:

Shou lives out in the country. He has a big crush on his childhood friend Sora, but is afraid that she thinks of him only as a little brother. One day, Sora announces that she was abducted by aliens. Later that day, Shou confesses his feelings for her and she dies shortly afterward. Shou is still in shock from her loss, when an alien girl named Lila comes down from the sky. She has a disk that contains a brain scan of Sora, and she can run Sora's personality in her own body. She also wants to have a child with him. Will Shou be able to cope with all of these sudden changes, and will he be able to keep Sora with him after all?

Meguro Mito has always been made fun of for her chubby appearance. Her sole happiness is discussing her favorite role-play game with her two best friends. One day, while she is being bullied, a handsome classmate saves her. Is this the beginning of her first love?

A story about a long-necked girl's love life:
Kanoi Natsuki and her childhood friend Itsuki visit the same school and there seems to be more between them besides friendship. As a Rokurokubi, her quirk of stretching her neck is normal for her and her surroundings, but it's not always her choice to stretch it and although she has feelings for Itsuki, she can't tell him what she feels. Ultimately, she has to go through misunderstandings and shame.
Itsuki, meanwhile, manages to make any awkward situations dissolve or maybe not?

From Shoujo Crusade:

What does it mean to be in love? Inoue Fuuko has a huge crush on the handsome Takamiya-senpai but due to her over the top delusions, she's mistaken as a stalker. Even though Fuuko really likes her senpai, she just doesn't know how to approach him without her delusions being triggered! Find out what this total amateur in love will do to get her beloved's attention!

From Black Lilac Scans:

What's it like to have a personal cook with great culinary skills and dashing looks? Sumika, an orphan, has one such personal cook, Miyoshi, who takes care of her needs. Miyoshi never complains but caries out his duties to the very end. But is it all just an act of duty? Does Sumika really understand how Miyoshi feels or does she take Miyoshi for granted? Follow Miyoshi and Sumika through trails and tribulations and witness a beautiful love story blossom~!

From Serenus Dreamers:
Aoi - a girl who lives in a household of seven. Her current status? Poor. Masafumi, dubbed the Prince of School, lives in a mansion with a household of mostly servants and his grandparents. His current status? Rich. When Masafumi decides to throw away 40 cents which Aoi could have used, she's enraged at his action of discarding the valuable amount, and vows to never forgive him! But, what happens when fate brings Aoi to the Prince's door, in place of her mother, who is injured? Revenge? Schooling in the antics of the poor?

Extra:
That is Why we Dream - Nakahara has a habit of setting things on fire, she coops herself up in the art room and never smiles..she is also a young and famous artist. While setting fire to another object, she meets a boy, who is a young and famous basketball player...why does he give her so much attention when everyone else shuns her? and why does she seem so sad while painting?

Misaki Hayato returns to his hometown and enrolls in the same high school as his two childhood friends. A lot has changed in the years he has been gone, his former best friends are seemingly distant from each other and leading relatively normal high school lives. Hayato's sudden arrival soon changes that and sends shockwaves through the entire town's delinquent population with his willingness to do anything for his friends and his love for a good fight.

Tsunagu's a high-school girl who admires the famous, beautiful and distant imperial prince: Takahito Ninomiya. Tsunagu's life takes a new light with a new classmate, Haruhito, who amazingly - and suspiciously - looks exactly like the famous prince...

Short story about a girl with a monster face

"Three years ago, he had the same posture.
Three years ago, he had stood behind Miyuki.
Yes.... Compared to three years ago, it had changed."

Set three years prior to the present time, Tsuioku Hen tells the events that would change Miyuki's world drastically, as well as the events that led Tatsuya to become what he is now.

(Adaption of Light Novel v08)

A girl who can see the future. Another girl who knows if what you're telling is true or not.

After a mission gone awry, the doubtful main character, Rood, is sent to a famous magic school, Helios. Here, he must protect an important person's son who has a very bad time at the school.

From Lucia Rose:
Amane Mikiko, better known as Mikki, is an elementary school student who moves a lot and has to transfer schools often. As soon as she makes friends, she has to painfully say goodbye to them. She is determined to not make any new friends at her new school, but it doesn't exactly go her way. Especially when she meets a boy with the head of a cat! But hold on, he only looks like that in her eyes?

Jang sung-gi who is always misunderstood as a pervert and a worthless man. He meets a mentor who suddenly turns him into a very charismatic man? A tale of how an average guy who turns into the greatest "pick up artist" and a story about misbehaved men who are constantly trying to pick up girls.

Zaizen Takashi passes his entrance exams at the top of the heap, and starts his first year in junior high school at Dojuku Gakuen, a 130-year old, highly advanced institute of higher education. The day after the entrance ceremony, "the secret" of the school is revealed to him, which concerns the existence of an "investment club," consisting only of the top student from each of the 6 grades.

Its club members have a mission. They must invest from a capital of 300-billion yen and yield a profit of 8%, which is their annual goal. This is why Dojuku Gakuen, boasting the highest standards of education in all of Japan, is tuition free.

This world had rules. Rules that weren't meant to be broken. If only we had known those rules, everything could have been avoided...

From LINE Webtoon:

At the first day of his school, Gamin saw something that he shouldn't have seen and from that day, his previously witch-less life became double double toiled and troubled.

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