From Tokyopop:
Sergeant Keroro is the Captain of the Space Invasion Forces Special Advance Team of the 58th Planet of the Gamma Storm Cloud System, sent to the planet Pokopen (aka Earth) to collect intelligence for his planet's invasion force. He is also a frog. After his ship crash-lands in the planet earth, he takes shelter in the Hinata household, but the two kids, Fuyuki and Natsume, find him and take away his alien weapons. When his people discover that the Pokopenians are aware of him, Keroro is abandoned - left to fend for himself in this hostile world. But he's not alone - four other pre-invasion agents were are also lurking on Earth.

Note: Won the 50th Shogakukan Manga Award for children's manga in 2005.

A mysterious command given to Tomita Yuzu, whose livelihood is assassination. "Kill the one you meet now." However, what appeared in front of me was another self ...!? An unpredictable "Hitman's" action comedy presented by Yokusaru Shibata and Makoto Sawa's "Blue Striker" duo !!

First year Highschool boy Shin Yuki stumbles one day upon his naked childhood friend reenacting a sensual novel with an mannequin in an empty classroom.
Yukino Kurose, a third year student, loved to reeanact stories with Yuki's help from books when she was a child, to discover how the characters in the story felt.
This time she got herself a sensual novel and asks Yuki to help her out with her reenactment again. Otherwise she'll have to find someone else, because mannequins are not enough.
After a quick deliberation Yuki decided to help her out, because he doesn't want anyone else to see her naked.

Marie gets hired to be a maid. But not just any maid... A robot maid!? How will she get through her new life pretending to be an emotionless mechanical maid? A manga full of comedy and romance!

Starts with a one-shot, and has been officially serialized in LALA magazine.

On a rainy summer evening, a woman and a "dog" happened to meet each other and life has never been the same since.
What new adventures await this unusual duo as summer turns to fall? [Kodansha]

It's been one year since Rin moved to Tokyo for high school. He was told by the landlord of his apartment that he didn't have to pay rent if he takes care of the landlord's granddaughter, which he immediately accepted. However, that granddaughter, Mako, ended up being a 20 year old college student who is completely incapable of taking care of herself. Even so, it was love at first sight for Rin, and he's been taking care of her ever since.

It’s about a guy who was fired from being a court wizard, so he became a rural magical teacher instead.

Indigo island is a place like no other, to deter emigration and attract tourism they have become the 'sex' destination as residents are punished if they are not have having frequent sex! On this crazy island, Hitori Misaki is still at school and one of the rare virgins trying to keep her secret and find love in such a lewd environment! The manga is based on the adult game "Nukitashi - Is this island Utopia or Dystopia?" by Qruppo!

Saeki Kazuko is an ordinary otaku who has a thing for "two-dimentional shota" but somehow, she is being bothered a lot by a neighbor's child named Aikawa Ryuou, an elementary school boy who looks like a Yankee but pure by heart. Even though he earnestly approaches Kazuko, he show it with honest feelings and partly some violence.

Miyako is a super-shy girl in college. One day, her younger sister brings home a super-cute girl named Hana, and Miyako totally falls for her! These are her misadventures in trying to awkwardly get closer to Hana.

Ex-AV star Miyako unexpectedly runs into a former coworker at a marriage interview...?! The secretly connected pair are bursting with more pure energy than you can imagine! This cute adult love comedy hits different and will heal your soul.

A long-awaited new series by the author of "Demon Mother: My Son is so Cute, I Just Can't Help Myself!"
A young man picks up a young vampire girl who has fallen ill, she then tries to give her all to repay her for his blood, but she's too clumsy to do so. A vampire rom-com that depicts a warm life among different species where no one is left behind or abandoned!

Kotori-kun, who falls in love with his classmate Hiiragi-san at first sight, somehow wants to get close to her. Hiiragi-san is quite an earnest and lovely girl, but… She’s surprisingly a little careless--! This is about the charming school life of a careless girl and a pure boy who gets led on everyday by her -- a romantic comedy that’s a wee bit H sometimes but warm and fluffy to death.

On the first day of high school, Yuuki Kousuke was killed while trying to help someone. However, that was not the end of his story. The old man he helped happened to be a god. As thanks, he lets Kousuke reincarnate into another world. He was overjoyed to live the life of those overpowered protagonists seen in his favorite isekai stories, however, when he came to, he found himself at the very same spot he died. This is the story of a protagonist living a peaceful life in the modern era with the cheat ability given to him by a god... not. The cat he ended up saving turned out to be a god too. (Source: MangaUpdates)

A sequel to "An Observation Log of my Fiancée - A Self-Proclaimed Villainess", following the married life of Cecil and Bertia.

Based on the game by Age, spin-off of the Kimi ga Nozomu Eien game.

From Solaris-SVU:
Takeru and Sumika have been neighbors and friends since they were little, but when a mysterious girl arrives, and is found in bed with Takeru, their daily lives will be thrown into chaos.

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...!

After I beat a noob in an FPS, he challenged me to a fight in real life!?

I decided to go along with it just for fun, but when I got there, a cute girl was waiting for me!

This is a romcom featuring a scummy male lead and a feisty female lead!

(Source: [BookLive](https://booklive.jp/product/index/title_id/1564434/vol_no/001))

Guy crushes on otome game playing teacher and morphs himself into her fave character.
It got 2nd place in the webcomic section of the 2019 Tsugimanga awards.

4-koma manga about Tamaki Honda, a new high school student who joins a doujin game development circle.