Shiroi Gekkou is a simple boy who grew up in the mountains. He travels to the city with the duty to protect Hikaru from perverted, twisted guys who all try to do the same thing - get into Hikaru's panties. Then again, Shiroi wants to, too...

Kamiku Kyotaro is a straight-laced high school boy, who is good at Japanese fencing. One day, he wakes up to find himself warped into a different world. He is summoned by Trekwards Kingdom: the queen has fallen ill to a mysterious ailment, putting her country in dire straits. Since women dominate over men in the world, Kyotaro is put in the harem of the royal house and forced to make love with the five princesses in order to have a heiress.

A teenage boy returns to his remote home island from the mainland. While people have stopped wearing masks elsewhere, the rule to wear masks outside at all times is still surprisingly strict on this island. Could the reason be something other than corona?

Google Translate of description found on Amazon site: A new island born between Hokkaido and Sakhalin "Hizle I." at the beginning of the 21st century. The fire hunting yellow which goes to the vocational training school of that island is helped by the classmate Kuroe River Mizuki when encountering the bombing terrorism case. The fire hunger who admired the Kuroe as a trigger by the incident triggered a temporary entry to the "Northern Guard Corps" belonging to Kuroji ... .... Girl Meets Girl's Pretty Gun Action!

Haru Hanasato is a company employee with zero self-esteem and zero luck in love. Wishing desperately to meet someone truly special, she falls asleep holding a stone she bought from a fortune-teller—only to wake up in another world!? There, she meets Eld, a beautiful duke cursed by a witch, whose body is slowly being consumed by dark bruises as he awaits death. Confused and overwhelmed, Haru discovers that her soul possesses a rare healing power capable of cleansing Eld’s curse. As Eld becomes drawn to Haru’s gentle heart, he begins to shower her with overwhelming love and affection… https://www.cmoa.jp/title/316633/

This series is self-titled "Fleshbomb Masterpiece." The first chapter is full of flexing muscles, sweating, flowers, and more flexing.

As a child, Morisaki Shinichiro made a promise to a girl when she was about to move away. He wakes up from that dream again with his sister waking him up, making him go to school. On his way there, he meets a girl who trips over a rock and lands right on him, passed out. He brings her to the school's nurse's office. In class, a new girl comes running in shouting Shinichiro's name. She looks awfully familiar to the girl Shinichiro brought in earlier. The class leader knocks the new girl out for being to rambunctious and Shinichiro brings her to the nurse's office too and finds that there are actually two girls who look very similar. When they come around, they get officially introduced. The girl he saved in the morning is named Sawatari Arisa, the loud one is named Sawatari Alyssa. While their names are identical in pronunciation, they have no apparent relation. Shinichiro looks at Arisa and thinks she's the girl from his past as she's very bashful and shy. However, Alyssa wears the cat-ears that he remembers and she also remembers him. When he goes home, he finds out that his uncle, who he lives with, has taken the two girls into his house

The main character is an animation creator. He is admired for his magical girl animations, and his aspirations for his work are even higher than others. He has been living a peaceful life by hiding his true hobbies and interests from the world. However, the world begins to break down around "girls". (Source: Kodansha, translated)

Dynamic Heroes is a digital manga by Kazuhiro Ochi that presents the most notable characters from the franchises by Dynamic Productions in their anime format in a massive crossover. It involves the series: Devilman, Mazinger Z, Cutey Honey, Great Mazinger, Getter Robo, Grendizer, Demon Lord Dante and Dororon Enma-kun.

The strongest gang in the Kanto region is the Satans, by far, who have taken all the other gangs in the region under their command. The reason for their dominance is none other than their leader Yamaguchi Nitaka who is bar none the strongest fighter. With Nitaka taking charge, they begin their campaign on the Kansai region and all is going well until a flash of light takes Nitaka and his friend Mizuno Tsukasa to another world. When the pair come to, they are greeted by a princess who tells them that they are in a world called Olicia. In this land, magic, demons and mythical creatures are not just fantasy or a videogame but absolutely real. The princess's kingdom has been under siege by the Demon Empire and as a last resort, she attempted to summon Satan himself to defend her people. Although she mistakenly brought Nitaka over instead of the lord of the underworld, Nitaka's strength knows no bounds and fights equally as well against dragons and wizards. (Source: MangaHelpers)

Akiyama Youichi is a high-school boy who adores the cute Nana-chan from afar but he's clueless about girls and terrified of asking her out on a date. He discovers in a very peculiar manner that he has a love rival for Nana-chan's affections in the curvy and sexy shape of Natsuhara Yuri, a classmate and (platonic) best friend of Nana-chan. The battle for Nana-chan's affections is joined with Youichi trapped in Yuri's body and Yuri using Youichi's body to ask Nana-chan out on a date. May the best, umm, person win!