From Paperdolls Project:

"I want to smell... I want to touch... I want to kiss..." Feelings that cannot be satisfied by just staring at the boy you fall in love with. Kiss... is the desire emitted by a girl in love. An omnibus of 4 oneshots by Fuji Momo.

Sumire was a high school girl before she leapt into another world the moment she fell down. Before she could collapse and die, she came across a silver-haired boy who had already collapsed and was dying. One thing led to another and she ended up working at an Adventurer’s Guild. She doesn’t have any special powers, but she’s well liked by strange plants and animals. What does Sumire’s future hold?!

Artist's Twitter: https://twitter.com/matuitommy

Based on the Chinese video game by NetEase.

Yulia is reincarnated in a world set before the start of an otome game. She started working as a maid in the castle, but she is serving the princess who appears as a villain in the game! "I won't let this cute princess become a villain!" Rumored as a tough, impregnable maid, she herself will make sure to show the princess happiness! She will use her knowledge of her previous life and the life of magic to change the future of the game is what she thought, but for some reason, a knight who showed interest in her appears! Not taking falling in love into consideration, follow this talented maid through her fantasy!

In the prolonged absence of the King and Queen of the Kingdom of Hearts, their daughter, Princess Eleonor, was compelled to hastily ascend the throne.

At that moment, memories of Eleonor’s previous life came flooding back to her, and it dawned on her that the world in which she currently resides is that of an otome game she once played…?

All the words that pass her lips turn into venomous barbs, leading her down the destruction route at full speed—!!

Threatening Notes. Locked Rooms. Impossible Murders.

We've seen detectives solve them all, but how did they come about in the first place?
How does a culprit check into a hotel without taking off his mask?
How much does it cost to set up an elaborate trick?
What's the right font to use while writing a scary message?

Presenting all these and more, in a hilarious retelling of the best Kindaichi stories, but this time, from the culprit's point of view! Can the culprit successfully pull of his crimes with the young detective watching on?

Aptly described as "Da Vinci Code meets Jurassic Park," this story follows our go-getter protagonist, Lily, as she deals with spies, intrigue, action and conspiracy in a film noir-esque setting dotted with references to art, literature, film, history, science and many another geeky topic.

From Yuri Project:

Yuu and Haruka were inseparable during junior high but a cruel twist of fate put them on opposite sides of the class when entering senior high. Forced to spend more time with their other classmates, they decide to do something to keep their relationship special.

Web manga spinoff of Upotte!!

Shiina Shiori is a second year student at the Kokonotsuboshi Girls' Academy of Commerce, an all girls school that was built on top of an old castle. Her emotions are thrown into disarray when she runs into her childhood friend Mako, who confessed to her when they graduated from middle school. Unable to come up with a response, Shiori ran, and hasn't been able to face her friend's feelings since. Not able to run any longer, she has to choose whether or not she'll give into the promise of a yuritopia.

I met a Mahou Shoujo; and so began my story.. "Then I will become a Mahou Shoujo!" In order to save Hoshi Karen, the Mahou Shoujo who had protected her even while being pursued by tanks. Kokone, who was entrusted with Karen's Grimoire, decides to become that which is acknowledged as a "Calamity" by the world... A Mahou Shoujo!

A trap lying on the internet…
An outcome exceeding expectations…
This can't be dismissed as being irrelevant to you!
Kyouichirou Oike is a senior high schooler who’s most recognizable traits are his slowness and laziness. However, he has another identity: a genius kid who solves the most mysterious and perplexing cases! As he develops a newfound relationship with his bubbly, bold classmate Kotomi Otokuni, due to her meddlin, he gets sucked into the case…
Can Kyouichirou save Otokuni, who’s unable to understand the predicament she’s in?!

Sae-mi is a cute girl with a small body, but she also hides a very big secret. She's the strongest girl on Earth!! Can she keep her identity a secret and confess to her crush, Yeong-min!

Yang Jaesin always dreams the same dream of a woman telling him she'll be waiting. One day, he meets a mysterious fortune teller who tells him he cannot avoid destiny and leaves him with some advice: For the path he walks, Jaesin must keep with him "the eyes that can see the isolated truth."

After Koganei was rejected by a girl he had confessed to, he angrily ran off and was hit by a car.

When he woke up, he found that he was reincarnated in another world as Theodore Goldberg, the eldest son of a marquis. And of course, as Koganei is no stranger to isekai series, he knows that he will have some sort of cheat skill to become overpowered and live a slow life.

And so he tries to open up his status screen... only to find that this world doesn’t have video game stats. He then tries to use his OP magic skills... only to find out he is too young to even learn magic. So then he tries swordsmanship... but turns out to be weak with the blade. And so he decides to just invent modern technology to get ahead... only to find out that this world has magical devices which are identical to modern technology.

Theodore is at an impasse. He’s not strong, he’s not smart, and he’s not handsome. So what exactly is his cheat skill? For what purpose was he reincarnated in the first place if he was just reborn as an ordinary boy?

Webnovel raw: https://ncode.syosetu.com/n0391dt/

Sorbet, a butler, gets annoyed whenever Marie, a 13 year old baroness, calls him a loser. Since she's a young lady it's time for the butler to correct her behavior. The loser butler wants to teach the cheeky young lady a lesson in this romance comedy!

Suou, a hairstylist, and Ryou, a writer, have been friends since high school. They’ve also been living together for six years so it’s no wonder that people around them question the nature of their relationship. At first glance, they appear to be close friends and nothing else, but they just can’t seem to leave each other’s side. Will their relationship always be at this kind of stalemate, or...?

My classmate, Tanaka-san is super scary... or is she?

Batoto Scans :

“You’re so wet even though it’s morning. If you don’t wake up, I’ll attack you ok?”
“Oh no!”

Komaki and Tasuku are newlyweds spending their time being lovey-dovey. Whether it's day or night, they can’t help but want each other.

But there’s a secret Tasuku can’t tell Komaki. He used to be a host!!! In order to maintain his innocent image, he tries not to use the techniques he got from being a host, pretending to be a virgin.

On the other hand, Komaki also has a secret. She used to be Tasuku’s stalker! Can she keep this a secret from her husband, the man she’s always loved?

This is the love of 2 people trying to hide their past.

After the manufacturing company of R-18 dating sims undergoes dissolution, an obsessed 30-year-old virgin visits a deserted shrine and requests to be sent to the world of their masterpiece, Kokorone Heartful.

Although his wish is granted, the god mistakenly turns him into the heroine instead of the protagonist. Ordinarily the romancing choices are left to the protagonist. However, unless he completes the game as the heroine, he will be forced to remain in Kokorone Heartful as a woman forever.