There is a world where there is no end to those who seek spirits and those who hunt spirits. In this world, there was a baby who was abandoned by his real parents as a detester to black hair and black eyes. The name of this child is Wilm. Picked up by the spirits, he grew into a summoner who protects his beloved sisters and the beloved village. "I won't tolerate the guy who dares to touch my family!" The blunt and summoned beast sisters shake the world. An exhilarating summoning battle fantasy begins now!

Alien technology, human martial arts, collision and confrontation of two worlds. The pinnacle of the strong, the alien fiasco, reborn high school era! In this life, Tang Ming decided to rise strongly and protect the world. Past goddess, genius girl, sexy teacher, long-legged elder sister, foreign princess are all under her command; thirteen martial arts, religious forces, hidden strong, strong who follow me, and those who are against us are all beating! In the heyday of monasticism, I am invincible!

I, Takayama Aruto was summoned again in replay mode, keeping all of my past stats. This time, a large Hero’s Summoning was conducted which brought along the whole class. Sick of doing the job of a Hero, I hid my stats from the others and chose to become a merchant. But, I must have hidden my stats so well that our summoner thought I was trash and was casted aside. So, I decided to form a party with the three beauties in my class who were similarly thought to be useless (a Tsundere, a lolita and a meek girl)! But, it’s okay. I still have my Item Box and Item Shop. I’ll just have to make whatever it is I need! And so, I led a relaxed life in another world creating items DIY and hawking, but…… The Dragon Demon Lord and my past wife, a succubus comes knocking on my doorstep and seeking love. It seems that the transmigration this time is going to be troublesome yet again! ------------------------ TL;DR Version: OP Harem Isekai Protag gets Isekai'd again (with his entire class this time), hides double OP abilities for slow-life living, starts new harem with girls from the class and the harem from the first otherworld that followed him to this one.

On the day of the wedding, he was swept out by his wife and returned to his residence, but he was frantically asked for a kiss by a glamorous stranger. The moment his lips touched, he felt a torrent of water rushing into his body. When he woke up again, There are more than ten thousand strangers’ memories in my mind…

Shinohana Mayu and Aoba Souma are childhood friends and enrolled in the same high school. There's energetic Mayu surrounded by her classmates with their unique personalities and Souma who always looks out for her. Join in their daily lives in this hybrid childhood friend-school life comedy! (Source: MAL)

“Warning: Mature content: This manga contains materials that might not be suitable to children under 17. By proceeding, you are confirming that you are 17 or older.”Zhang Muji who only wanted to buy his muse a gift by doing a part-time job ended up facing a weird gate. His greed angered the tycoon on the other side of the gate, and was punished for another part-time job. Zhang Muji was very reluctant. What’s the difference between a part-timer without pay and a loser! Zhang Muji had an idea to get rich by charging a “Gate Construction Fee” from all the immortals…

Updating

Destiny brings Bi Ningxi back to her high school. This time, she decides to show her best of herself to those people, making a great comeback through the domination of her own youth.

Having become overwhelming strong, a mage was bored with his life and decided to reincarnate in another era about 1000 years later. But after reincarnation, the mage now known as Kurt saw a world where magic had declined, and the mages of the era are overall much weaker than those of 1000 years ago. It also seems that Kurt is being looked down upon for his "Gold Magic" as it is called "Defective Magic Power" in this era. In order to investigate the mysterious decline of magic in this era, Kurt enrolled in the Magic Academy at the Royal Capital and showed his extraordinary talent where he would become unparalleled in this second life of his too!?

Long ago, Chien Han underwent "forced cultivation" because of the domineering empress. He cut off part of his soul to escape from the tiger's den! After that he is reborn in a new body. In this life, he will study military affairs and master spiritual practices.

Chrome was a magician in the hero’s party. He fought the Demon Lord’s army alongside people like Irina, the lover who vowed to marry him in the future, and the hero, Yuno, who was his close friend. They were all close companions. However, that was only in Chrome’s mind. His lover, Irina, became intimate with the hero, Yuno, and Chrome was sacrificed to make the hero stronger. Chrome’s magic powers were snatched away and he was kicked out of the party. Demons surrounded him as he was on the verge of death and he was driven to a corner. At that moment, Chrome awakened to a “darkness” within himself. Amidst his despair, he acquired an unrivaled skill. Now with this skill, he could exact revenge.

Updating

Former black company employee, Jiro Tanaka leaves his job due to overwork. In his home, he founds a job recruitment template which is from another world company. The job is to test the dungeon created by the demon king. There, the days of diving into the dungeon as a "dungeon tester" were waiting for him to complete the dungeon that even the hero would not be able to clear. He has a hot dark elf boss who has an amazing ability "Magic resistance". The New life of our MC starts! by: Socialweebs

I woke up in a strange bed, with not just one, but two lovers beside me! In this game of love, affection, and deception, I’m Elvia, the Imperial Princess, with a gaggle of men vying for my favor. Sounds great, right? Except this means I'm also stuck as the villainess while the main character is my manipulative maid, Arielle! She’s out to bring me down, and she’s got plans for my harem of men. But I know all her secrets, because I can see her player notifications. Can I beat her at her own game?

Yang Ming is the epitome of delinquency; getting in fights, skipping school, and cheating on tests. One day, he gets a mysterious pair of contact lenses that changes his entire life.

An average romcom told from the perspective of the losing childhood friend.  Other things happen as well.

"Class 5's Chitose Saku is a fucking playboy!" Chitose Saku is at the top of the school caste. He and his friends are textbook examples of normies, despised by the less fortunate. Surrounded by girls and boys of every kind, he's chosen to lead his second-year class by his laid-back advisor. Watch how he and his friends reap the bounty of youth in this new romantic comedy!

not your typical isekai-harem manga

The stingy, poor college student Qian Buduo, accidentally obtained the Shenhao system. He has too much money, but he can only use it to complete the messy tasks given by the system. Completion will get nothing happened or provide any special rewards, but in case of failure, he will be ravaged by the system! For a stingy person, in order to complete the chaotic task, this is simply the worst torture to the poor! And behind the system, hidden under the seemingly chaotic tasks, there should be…..

One night, Eizo, a hapless corporate slave, saves a cat and gets hit by a truck. The cat which seems to be related to a parallel world, in return for his help, grants Eizo a skill of his wish and reincarnates him to another world. Eizo, who has craftsmanship as a hobby and wishes to use this skill for a living, chooses to be reincarnated as a blacksmith. And so he starts his life in another world as a blacksmith just as he wishes. However, Eizo's creations are at another different level that will shake this new world.

Kohinata Asunaro is your ordinary perverted high-school student who likes light novels and romance games. He has no interest in having a "3D" girlfriend and is content just fantasizing on the pretty girls of his school to create his own imaginary harem. But one day he accidentally releases Zepfur, a demon who promises to make his fantasies a reality. The day after, one of those girls, Furuwada Serika, is summoned by Zepfur and explained the rules of a game: the girls of Asunaro's "harem" must earn points by competing for his affection. The winner will be the one whom Asunaro chooses as his sole girlfriend… and the losers will experience an infinite loop of horrible deaths in Hell. For Asunaro, it's just a romcom fantasy coming true. For Serika and the others, it's a battle for survival. Published in Monthly Shonen Sirius.

Description from MU: Weird development where the main character, who is the fourth son of a noble household and is called the stain of nobility, has to inherit the house because his three brothers were conveniently in the same party and all died to a meteorite apparently. The older sister who's left disowns herself and instead registers herself as his foster daughter and now she calls him dad all to get the him to head the house and have him demonstrate his true ability.

It feels like I (27 y/o) who specialized in [Training] skill was no longer necessary for the Hero’s party which has grown stronger for a certain degree. At first, I was the center of the party but in the end, the hero dismissed me from the party. However, because I have「Made a great contribution to the party until now」, I received a small「Fief」instead of retirement money. As my heart felt the loneliness of leaving the adventures front-line and heading to my territory, I thought something after seeing the seven villages with their 2500 population. My thoughts are the following… I wonder if I train these people, won’t my territory become strong enough that could even defeat the demon lord?

Man's true worth is to entertain the beauties of the world. Summoned in a different world called Romless, the college student Simon Claud (or Shimon Kurando) aim about women, treasures and adventures runs around the labyrinths, deserts or cities. Young ladies, princess knight, beast girls, elves or woman assassins, I'll get them all! The most absurd dark fantasy is now unveiled. Men must adventured until the death!