A hangover leads to a shared life between a thief and a slave girl.

Harris is an adventurer who works as a thief and scout, a job that is often shunned due to poor reputation.
One day he gets drunk and buys a slave girl, Tiana. Tiana, who had been treated badly and not given enough food until then, comes to adore Harris, who treats her kindly, as her master. Harris, who had been hoping that Tiana would grow up to be a beautiful woman, is gradually drawn to her because of her innocence.

Harris' life changes drastically when he begins living with Tiana: warm meals, freshly washed clothes, and interaction with the townspeople who had never come close to him before. On the other hand, he finds himself in more and more troublesome situations, will he manages to escape from them with his skill and tact...?
This is the story of the "rebirth" of a shabby thief, which begins with an encounter with a slave girl.

Humans and demihumans live together in peace, and in this world, there's a normal human named Hironori Tabata.
One day, an angel named Suzuki Lina went out to find him and said she wants to have sex with him...the reason—? The Demon King will be resurrected in the future and Tabata's son will be the hero that will fight and defeat him.

Loser + Isekai + Cheat ability = Harem

The Jester ― More commonly known as the ‘Playboy’ Dylan, was fired from the party of the Heroes. The self-centred Heroes didn’t understand Dylan’s importance to the group.
They were just a group of one-man teams. Not interested in cooperation at all. Any failures are blamed on the Jester. Dylan, who was disgusted with such companions and was sick of playing as their comedic foil, happily accepted being kicked out.
The Heroes didn’t know. After saving them many times over with his magic tricks, the level 99 Jester can change his job title to that of a ‘Great Sage’.
“Life, how about a rewrite?”
He’s done being the clown. From here on out, he’s going to take the leading role.

An official spin-off of the the super famous fantasy "The Eminence in Shadow".
OP main character × isekai reincarnation × misunderstandings!? This is the beginning of a spin-off of the super-famous web novel isekai fantasy "The eminence in Shadow".
Cid is a boy who reincarnated in another world, and decided to enjoy a scenario of being "the eminence in shadow, someone who meddles with the story from the shadows, and exhibits his true power in secrecy". Thus unfolds the story of him and the secret organization he leads—shadow garden—as well their their pleasant friends! An easy-going 4-koma manga starts right here and now!

The manga adaptation of the popular web manga! Yasu likes his kouhai, Moriyama, who is at the same time extremely assertive, deadpan, and extremely passive aggressive.

This is a story about the main character named Inuyama, who is on the edge of life with no job or savings. One day, he is tasked with the role of "broadcast advisor" and "pseudo-boyfriend" of a gravure idol. Can he reach the top of the world of gravure in this romantic comedy harem? ♡

From Tokyopop:
The plot centers on Kazuki Sendo, whose passion and talent for painting and drawing propels him into the world of doujinshi (underground comics). Soon, Kazuki's everyday life is consumed by the fanboy life and his girlfriend is beginning to have some serious doubts about him...
Sure, his new career as a struggling artist has begun, but at what cost to his friends and family?

Chiyoko, in her second year of high school, transfers to a co-ed school due to her dad's job transfer. Since she's only attended an all-girls school since junior high, she excitedly plans to fall in love in her new school. Out of the blue, she begins to see the love meters of 5 hotties and an options window as if she were in an otome game?! She encounters various types such as a glasses boy, a playboy underclassman, and a mysterious senior. Meet-cutes with boys come one after another. This is the beginning of a real otome game school life!

Kai, who comes from a family that specialized in dark-style occupations, sought even greater strength.

One day, he saved the fourth royal princess who was under attack by monsters. This was the the trigger for him managing to join an academy that specializes in training people for holy occupations.

He endures training so incompatible with his physical constitution that it could make him faint, all to become the polar opposite of the strongest dark knight—the Kingdom's strongest holy royal knight, The Royal Paladin.

An occupation-change drama of a genuine dark knight begins!!

"Now let us enjoy our deathmatch—to our hearts' content"

Who will you “play” with tonight—? A sweet and sugary harem romantic comedy about sleeping with elves ♡

After killing the Demon Lord, Blum Dilmond was pursued by the kingdom and forced to leave the country. While spending days trying to avoid the assassins aiming at his neck, he suddenly came up with an idea. He could hide inside the dungeon that was once the Demon Lord’s hideout. If it’s there, then he could be safe.

Without hesitating Blum went into the dungeon, but then he met someone unexpected in the lower levels, one of his former companions with whom he fought side by side against the Demon Lord. Moreover, a maid, called Irene, who once served the Demon Lord is also there. And so since their interests happened to match, the three of them decided to cooperate together to rebuild the worn-out dungeon, working earnestly in order to turn it into their own safe paradise.
Links:
Author's Twitter
Japanese Light Novel ( on Amazon.co.jp )

Hotta Youta is killed while returning home from work on a cold evening. He wakes up being carried by a bunny-eared woman! Featuring Reincarnation, Guns and Harem, its a Gun vs Magic Story that gives Hotta Youta a new life... and an edge!

From Intercross:

Kurosaki Mafuyu was a juvenile delinquent and head of her gang before her subsequent arrest got her expelled from high school. Now that she’s transferred to a new high school, she’s determined to become an “ultra-shiny, super feminine high-school student.” But with a new friend like Hayasaka-kun and a homeroom teacher like Saeki Takaomi (who may be more than he seems), will Mafuyu really be able to live a girly-girl high-school life!?

An alluring and popular honor student who goes by the name of Mone. Steadfast and diligent, she only has one foreseeable flaw; her philosophy on love is utterly trash! But both her mind and her heart might be swayed sooner than she thinks in this school love manga.

An office worker, Yuuto Aida, witnesses his wife's affair at home! When he jumps out of the house, he gets hit by a truck and is reincarnated in another world as a hero!! However, due to the misunderstanding about Goddess Reincarnation, he only had one skill, it was a skill that could captivate other people's wives!!

(MTL)

From Aerandria Scans:

It's the 16th century and the knights of the Mediterranean country Malta take pride in being the strongest in the world. Aciel is a beautiful lady-knight who gradually makes her way into the group of the knights, despite the fact it's forbidden for women to be knights. Learn the tale of the magnificent knights whose charms neither friends nor foes can resist!

You know that one series where the main character gets sent to another world, but his mother gets sent with him, and she’s super overpowered but also really doting to the MC?

Yeah, replace “mother” with “big sister” and you have a good idea of what this series is about.

Anyway, join Asahi Ikusaba and his big sister Maya as they have adventures in another world.

The second spring at the Advanced Nurturing High School is welcoming Ayanokoji and Class D. The special exams aren't only what awaits them, but the unique freshmen as well. Kazuomi Hōsen and Ryūen. The two who shared the bad reputation between themselves during Ryuen's middle school days. Takuya Yagami, who proclaims to come from the same middle school as Kushida, is approaching her. And the capricious Ichika Amasawa who is pulling Ayanokoji left and right.

A moving girl figure are back. A love comedy of the everyday feeling that a super-movable girl wraps around a nerdy boy, Haruto!!