From 87 Percent Translation:

Reiji Saeki living in the north eastern countryside town lost his life in an accident during summer vacation. .....But before he knew it, a mysterious ball of light exist in front of his eyes in a world of whiteness. Being a magician from a parallel world, that ball of light is looking for someone qualified to inherit the magic they had created to prevent it from being lost. Reiji who took on that suggestion lives in the parallel world, Elgin, with a new body and powerful magical power.

The story of Sherlock Holmes, reimagined with Moriarty as the protagonist and exploring his motivation in becoming the greatest criminal Britain has ever seen.

Typical company employee Tanaka Daichi (38 years old, single) loves games and plays a new type of VRMMO called "One More Free Life Online" under the username "Earth". Inside this free world he chose several skills that are generally regarded as useless. Be it wasting time crafting potions, cooking up pointlessly tasty food, or hunting monsters with some absurd weapon he crafted, he simply enjoys playing the game.

Web Manga

After being reincarnated, Ars Louvent is supposed to live in a different world as a weak aristocrat. Both his physical strength and intelligence were mediocre in both worlds, but here he naturally possessed a skill called "Appraisal" that allowed him to see the potential of any person. By gathering talented people by his side, Ars uses this "Appraisal" skill to transform his weak territory into the strongest one! But the road ahead of him won't be so simple.

Somei Yoshino is a high school girl, born and bred in a yakuza family, but that hasn't stopped her from living a peaceful life - that is, until meeting her fiancé, Miyama Kirishima.

The house of the Mitarai family, who operate a hospital, burned down in an unfortunate incident. The wife who caused the fire in an act of carelessness prostrated herself, apologizing in front of the flames. 13 years later, Murata Anzu is hired as a housekeeper for the Mitarai house. The woman who greets her is the second wife, Makiko. Despite her high standards, Anzu manages to secure a contract for work. However, her true goal is to infiltrate the house.

”Is it okay to kill people?"

A treacherous revenge suspense by Shiryu Nakatake, a newcomer to Bessatsu Shonen Magazine.

"Shun, if someone is converted, let him go and do nothing. He should be given a chance to be reborn."

"Grandpa, I hope he doesn't reincarnate himself."

In order to defeat several non-human monsters, the boy also became something non-human.

Shin Uruma, a sixth-grade student, was named "Experimental body: A" by five of his classmates and was severely bullied and lived in hell. His only peace was with his brother, who loved him, and his parents, who protected him.... . until the five monsters killed his family.

When he finally loses everything and faces true hell, a dark "wish" is born inside Shun. He was reborn under the training of his grandfather, who served in a secret unit during WWII. Now, four years later, he appears in front of his fated enemy.

"I won't let ANYONE get in the way of my revenge."

A high school student Ichi who visited a ninja residence on a school excursion was caught in a strange structure during the tour and time slipped to the ninja world. Along with his friends, Ichi who got the “Ninpocho”, a key to return to the present age, returns safely to the present age. However, suddenly an awakening appears in front of Ichi who lives a peaceful life ...!?

I transmigrated inside the novel of my favorite character, the second male lead.
A tsundere who listens to all the words of the female lead while grunting, with a straight forward personality, and a handsome face.
Matching all my preferences, he was even single after the ending.
Nice! I’ll pick up the second male lead!
However, I overlooked one thing…
The tsundere, who had been abandoned by the female lead blackened, and had become a terrifying man!
“Get lost.”
…I-is it safe for me to pick up the second male lead?

Based on the Original Webnovel (https://series.naver.com/novel/detail.nhn?productNo=4880443) by Hwang DoTol

It was an era of terror, a time in history where 10 suns shone as the world below burned under its mantle. As a result, Yae, a legendary warrior, was summoned and commanded by Chunjae, the father of these 10 suns, to shoots down all but one sun. But of course, the suns’ mother, Hwaehwa, did not take this news well and, in vengeance, swore to revive her dead sons. After a long time, Hwaehwa returns and challenges Chunjae to a game of Baduk. She brings Hanbal with her, who was once Chunjae’s follower and releases a thousand demons down to earth, proclaiming that they are a symbol of her Baduk stones. Now, in order for Chunjae to gather his stones, he searches for Dong Bangsak and provides one of Yae’s followers, Hangah Dong Gun (東君) to watch over him as he embarks on his journey to seal these demons...!

Jieum Ban has an extraordinary ability: she can remember the memories of all her past lives. After her previous life is cut short by a tragic accident, she sets out to reconnect with the people of her past life in her current one. Will memories of her 18th life sabotage romance in her 19th? Or will love endure across different lives?

"You want me to become the hero’s experience points and loot? With pleasure!!!"

A hero who bravely ventures forth to defeat evil, and a monster (named El) whose sole life goal is to be killed by said hero... is finally confronted by the hero's party after dreaming about a comfortable afterlife for so long!

But... the hero is way too weak! Everyone except one was wiped out by El’s attack. When his dreams of happily retiring in the afterlife are about to be shattered, Laphie from the hero’s party says out of desperation: “I'm with child!!!”

So El comes to a realization spurred by Laphie's statement: “if the hero who was supposed to kill me isn’t here... then I'll raise one myself!”

Now, with El (the Lieutenant-General of the demon army who knows nothing about raising a child), Laphie (the inexperienced mother), and Dino (the cutest baby hero), their "ordinary," child-raising fantasy story unfolds!

Here comes the world’s most unpredictable family!

How many kicks does it take to smash the heart of a giant? Though she’s not a pure Child of Golden Light, Loxy must learn to channel the sun’s warmth and topple the towering titans that stand in the way of saving her sister. With bloodthirsty giants in her path, and the ruthless God of the Gods, Odin, in hot pursuit, Loxy pushes her body to its very limits in the hopes that she can become half as strong as the sister that now desperately needs her help.

Once the bullies target you, it’s game over. The school is run by tyrants whose favorite hobby is tormenting the weakest kids in class. But then Gray arrived. This mysterious new student threatens to dismantle the established order. He may be small in stature, but his calculative and brutal fighting leaves unsuspecting opponents lying on the floor begging for mercy. Now the school's toughest bullies have to scramble to take down this new and unusual hero.

From Shoujo Manga Maniac:
Chigusa Tsukikage holds the rights to the play "The Crimson Goddess," a lost masterpiece that many would love to see brought back to the stage.
Tsukikage, however, won't allow the cherished work to be diminished by an actress who isn't worthy of playing the title role. Fortunately, she has found two young actresses that just might be worthy: Maya Kitajima and Ayumi Himekawa. Though both actresses are exceptionally talented, only one can win the coveted role.

From JManga:

Shio Asami, the wealthy daughter of a famous, deceased opera singer, aims to follow the same path as her mother. Moe Midorikawa, a young woman working several part-time jobs, dreams of becoming an opera singer as well. What will happen when these two meet?!

The story centers around 16-year-old Hana Ichinose, who unbeknownst to her classmates, was a year late in enrolling into high school. Although it may not seem like a big deal, it is a big deal to her. She wants to catch up with everyone else someday.

The world is not perfect. Learning to deal with its flaws is just a normal part of life. But there comes a point where these imperfections spawn a crushing realization... that something needs to change...

The development of a gentle, warm relationship between a bookstore owner and a high-school student.

Gama Gama Aquarium, a small aquarium in Okinawa, is an hour's bus ride from Naha. Kukuru Misakino is an 18-year-old high school student who works there, and she knows about the "secret" of the aquarium: sometimes you can see mysterious things. One day Kukuru meets Fuuka, standing in front of a water tank with flowing hair and a tear rolling down her cheek. Fuuka has given up on her dream of becoming an idol and she has run away from Tokyo to Okinawa. Wanting to find a place to belong, Fuuka earnestly asks to work at the aquarium. The manga follows Kukuru and Fuuka as they deal with the issues of the secret of the aquarium and a looming crisis of its possible closure.