One day, due to God's mistake, Tomoaki Akinoi's life was accidentally snatched away. Though he gratefully accepted the cheat offered as an apology and reincarnated, he was reborn as a female elf! Then time passed, and Tomoaki now works as the intelligent and beautiful receptionist named Ilya in the Luneville branch of the Guild Association. In a world of swords and magic, her job in the guild begins today. (https://seiga.nicovideo.jp/comic/34128)

A "trouble comedy" about a fujoshi girl who meets a yuri otaku boy.

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My boyfriend transformed into me...

From Aurora Publishing: Male by day & female by night...whoever looks upon her true form will meet with certain death. Abel is a member of the Nephilim – a unique race of people whose gender changes from day to night. Known as “Deathbringers,” it is said that whoever glances upon their bewitching nocturnal beauty will inevitably die soon after. Unfortunately for the playboy/Imperial soldier Guy, such an occurrence earns him this beautiful angel of death, hellbent on taking his life. Will Guy’s expert playboy skills be enough to conquer the beautiful Nephilim? Or will Abel succeed in killing the man who saw her true form?

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Girlfriend decided to dress up her very effeminate boyfriend in a Yukata, and she takes it personal and accuses her of loving females only, and escapes to the fire work festival, its a trap one shot, gender bender fun

A heroic sturdy male general, woke up to become a weak woman. The emperor however wanted this to happen, but also he wanted her to be on the battlefield, defending the homeland. However, she is no longer strong, how can she be able to fight?

Meet Tsutomu & Birdy - a boy and a girl from opposite ends of the galaxy with absolutely nothing in common. Tsutomu was an ordinary high school student. Birdy a maverick Space Federation Officer armed with superhuman strength and - as Tsutomu soon discovers- a devastating energy blast. Now they have one thing in common: Their body. While apprehending an alien felon hiding out on Earth. Birdy accidentally blasted Tsutomu- killing him instantly. Now, Tsutomu must "time-share" his body with Birdy. And when she isnot yanking him around like a marionette, he transforming into a girl in full view of his friends and family!

The manga follows the daily lives of Kou, a slightly quirky man, and his wife, Yukio (often called Yuki), who is a cross dressing man. Read as this married couple handles the trouble that comes with cross dressing in modern Japanese society.

The demon king having cursed the human race by removing their ability to produce female children so that they would go extinct has had his plan foiled by the elves who made men breedable by giving them eggs(balls) ♂ which would make them become women when taken away from them.

A party of 4 heroes defeat the Demon King, however with his last bit of power he separates and gives each of them an unusual curse to make them suffer for the rest of their lives

My first time is getting stolen...!? A geeky boy, and a hot chick... This is our little H change★story!?

A violent and muscular boy who dreams in becoming a national champion, unexpectedly turns into a cute girl, how will “she” achieve “her”dreams?

A spin-off featuring Subaru and Asakura from Nanashi no Asterism.

Nishino is a cross-dresser hiding that he's a guy, and he gets asked out by Akutagawa, who has a reputation for being a loner and a misogynist.

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.

Noa Kagura is a cross-dresser who gets asked out by Shinobu Takada, a boyish girl on their school's karate team.

Ako was an ordinary school student until she suddenly remembered that she was a demon in her past life...Then she finds that the angel who brought about her death in the previous life has also been reincarnated. And he is none other than her present boyfriend, Yoshi. Ako decides to retaliate against her enemy of her past life, but unfortunately, she cannot evade her attraction towards him! Can she be successful in getting her revenge?

He just finished his University, yet he traveled back to highschool! He was a guy, but suddenly transformed into a girl! But this body... This face... It's pretty nice~ I was always targetted by bullies during highschool, but now, freshman year won't be like it used to. God gave me another chance, and I've decided to stop being good! I shall change history and conquer the highschool! I will become the queen!!!

In Tulle, a small county threatened by invasion, Freja lives in a small house by the countryside. Aaron and Alexis, two knights who left the kingdom three years before, return, and slowly the gear of fate begins to turn for Freja.

Upon discovering she had an affinity for magic during a routine test, Rio was offered an admission to a school for magicians like herself. She arrives at the school, anxious about what is expected of her powers. And to her surprise, her first task is to nab herself a familiar before the entrance ceremony! How will Rio ever complete her task on time, and WHAT is this 'Love Curse' she was bestowed upon by the Witch of the West!?

Reid, a hero who lost his life during in a fight with a devil, was reincarnated as a daughter of a married couple who were his fellow comrades!? Although he was reborn as a baby again, with “as expected, I couldn’t breast accept milk from my former fellow comrade” in her mind, she refused to receive the breast milk from her new mother who was her former fellow comrade. As the result, she grew into a weak beautiful little girl. however, Reid realized that the daughter of the hero and the saint could become stronger than anyone. with the experience of her previous life and the talent from her new parents, she had a dream to become a magical swordsman, and also aimed to become a hero again.