Tokiwa, a university student, is invited to a three-on-three blind date by Suou, a fellow classmate. On the day of the mixer, he goes to the pub where they are supposed to meet, only to find a group of handsome men waiting for him...

About a guy who reluctantly transforms into a magical girl to fight monsters.

Kang Ji-hoon, an ordinary high school student who died in a painful accident, finds out in the underworld that he is actually a ‘Water Spirit King mistakenly born as a human’. “Making water spirits? How do you do that?” The adventures of Elqueeness, the Water Spirit King who was mistakenly born as a human!

"I've been cheating on you. Oh, and it's not just one guy. It's three. Sorry about that."

Back in middle school, Akiyoshi Sunao's first-ever girlfriend shattered his heart, and he swore off love. However, all that changes when he develops a crush on a girl in his university's film club. Just as he's finally beginning to move on from the past, he bumps into his ex-girlfriend. Little does he know that this is only the beginning...

To his horror, he wakes up in her body the next morning!

Kim Sang-hyun dreams of becoming an idol but carries the fatal label of being a former school bully. One day, he receives an offer from a major entertainment agency manager and takes a pill that transforms him into his past life's appearance. However, his reflection in the mirror reveals a stunning beauty... but as a woman?!

Self Published WebManga Presented by Grinp-Circle

A TS Slice of Life Comedy about a brother who was transformed into a girl by his little sister strange drugs.

"I also wanted to be... the strongest in the world."

An Arch Mage who died without fulfilling his dream wakes up to finds himself being reincarnated as a member of the imperial family. And what's more is that his new body has a talent for close-quarters combat! This time he holds hope that he finally might be able to fulfill his desire of being world's strongest...

But after reincarnating his new name is Evangeline. Indeed, he had become a girl.
In her princess life where muscle training and fighting are forbidden, Eva brings dumbbells to her room and wields a sword! And before long, she becomes the strongest!?

A fantasy about a tomboy princess' rise to the top!

Misaki-kun may be adorable, but he's just the 'best friend' type character you can find in any gal game. However, the protagonist, Kihara Hareta, isn't set on wooing any of the heroines; he has his eyes set on the Unobtainable Misaki-kun! Gender makes little difference in the face of such cuteness in this heart-stoppingly sweet comedy!

A hitman and a marriage swindler set out on the world’s most grueling battle for marriage! Gero is a young man from a clan of hitmen, which has been in existence for hundreds of years. As someone who’s never gone to school and lived his life dealing in the dark side of the business, he considers himself to have “no prospects with women” and marriage as “something not for him.” However, one day, in fear that their lineage would dissolve, his clan warns Gero that if he doesn’t marry and produce an heir, they would have no choice but to…force his little sister into doing “that.” Driven to his wits’ end, Gero asks the target of his work, a marriage swindler, to…

A popular guy that's secretly interested in cosmetics asks to practice makeup on his dull childhood friend and he ends up looking cute?!

Links:
Author's Twitter: https://twitter.com/azusa_banjo
Author's Pixiv: https://www.pixiv.net/en/users/5279612

Uesugi-kun is a boy who's as petite and cute as a girl. He has a crush on a girl he's known since childhood, but overheard her saying, "Wouldn't Uesugi be totally adorable if he was a girl?!" Uesugi-kun's not as tall as his other childhood friend, Eito, nor is he as good at studies, and now he's suffering from a broken heart. A depressed Uesugi-kun stops by a shrine while running an errand and makes a wish... A love-triangle romantic comedy featuring an overly cute, and now female, protagonist begins!

A Twitter series about a handsome salaryman and an unapproachable office lady who dress completely different when they are off work.

Although she had been a promising practitioner of kendo in the past, due to an accident she was forced to lead a plain life. After Seo Yuri gets into a car accident during a trip back home, she reincarnates into the novel, "The Song of the Moon," and becomes the elder twin sister of a side character who meets a destructive ending-- Selena. Selena hopes to prevent the destruction of her family, however, she is forced to take the place of her runaway brother, Celestine, in the knights’ squadron! Will she be able to avoid the villainous Crown Prince, Ignis, and survive?!

Sakimori Kagami plays a VRMMORPG called Arch Earth Online. He is a veteran player with the name and appearance similar to an elderly bearded wizard from a certain book about a ring. One day he purchases an appearance change item as a last resort to spend expiring currency and gets the idea of choosing what he would want to look like if his character was ever a girl. Falling asleep should have suspended the game, but Kagami wakes up still online and feels the game has has gotten a bit more realistic. Did Arch Earth Online finally get a long-awaited update?

I am cute, but I was a middle-aged researcher in my previous life?!
Surviving in another world with magic and sciences!!
The orphan Ren was riding the carriage after being sold, when she got involved into an accident, and got her previous life's memories back!
"I was... a middle-aged man!"
Indeed, she was a researcher in his thirties in her previous life, and had been living as an orphan girl up to now!
Ren will make use of her talents in magic and knowledge in science to survive in this harsh world in order to escape from the investor who bought her!

Mitsuki Kou is such a feared PVP gamer that he's earned the nickname "Crim the Headhunter" in some circles. His next game to take over? "Destiny Unchain Online", a brand new VRMMO game developed by none other than Kou's father. But, no new game on release day is without its bugs - namely, Kou glitches to the middle of nowhere, and his vampire avatar is turned into a girl! A story for all of the people who through games have met new friends and aimed for the top... start!

Shunpei, a loner high schooler, became a gyaru after saving the god of gyaru from drowning. Through his mother's connections, he was able to transfer to an all-girls school, but it was stuffed to the brim with gyarus!
Every day is a sensory overload for Shunpei, who's never even talked to a girl, let alone a gyaru.

It's the beginning of an introverted high school guy => gender-swapped gyaru comedy!

An old school yakuza, Nagamasa Ryumatsu, ended up losing his life due to certain circumstances. But, when he awakened to a strange sort of scenery he had never seen before, he found that he had somehow changed into a beautiful girl!?

An ex-pro gamer of the FPS genre (♂) reincarnated in a fantasy world filled with magic... Only to learn that what greeted him was not a scene from one's dreams, but a muddy battlefield full of bullets flying to and fro! Moreover, he's now an orphan girl named Touri Noel?!

After her aptitude for healing magic was discovered, she decided to volunteer in the army as a second-class medic, all to raise money for the orphanage where she was born and raised. However, without even getting magic training, she was attached to an assault squad, repeatedly fighting on the most cruel battlefields of the "Western Front."
The mission given to her was to become the personal medic of the frontline's ace, Garback, and not let him die at any cost. But he turned out to be the worst commander, who will try to get results whatever the cost, even if it means the death of his subordinates!

On the battlefield, mired in unreasonable orders and violence, Touri's fierce battle for survival continues...

Bi-Kwang is a handsome young warrior who becomes a drooling mess whenever he sees a pretty girl. Out on the road he meets an extraordinary swordfighter with no name who is searching for a legendary master warrior. Bi-Kwang promises to aid the swordfighter if he lets Bi-Kwang meet his beautiful sister. Of course, it turns out the swordfighter is the sister, Hwa-Rin Dahm, and she must switch identities to keep the plot moving along. Bi-Kwang is immediately smitten, and thus we have a triangle involving only two people.

This manhwa was made into a MMORPG.