[Invincible + System + Villain + Empress]

On the day Qin Feng was born, after a hundred years in his mother's womb, ten female emperors appeared out of nowhere and came to the Qin family.

Dragon blood, phoenix feathers, and nine-colored glazed cups were all used to celebrate the birth of the emperor's son.

The ten female emperors were just short of coming to blows.

Qin Feng: "My damned, irresistible charm."

So what if I'm a villain? I, Qin Feng, am still invincible in this world.

The chosen ones, aren't they just meant to be hunted down...?

Main characters: Qin Feng, Ye Xinyu

Nobunaga Hanyu, a transmigrator from China, discovers subtle differences in this two-dimensional world when he resolves to live a normal high school life. The greedy, grinning Tomoya Aki? The ruthless Hachiman Hikigaya? The seemingly nonexistent D-Ta Azusagawa? ... A daily life deviating from its original course, the bewildered heroines. The Phantom Thief of Hearts arrives to set things right! You think I'm here to pick up girls? Sorry, actually I'm here to beat up idiots. (I'm telling the truth, I'm not a chuunibyou.) Note: The heroine is an upperclassman (the real upperclassman).

After being transported to another world, he became a blond-haired guy. He acquired a Yorozuya (oddball) business where he had to accept requests from girls. "Request One: A Date with Shizuka" – He helped her find a girlfriend and received a 3D Maneuver Gear in return.

(Not a crossover anime/manga universe, but set in the Akatsuki/Akame ga Kill! universe) "Ichijo, I bestow upon you the Imperial Arm Murasame to commemorate your achievements." "No, too much killing intent, it will harm my health." "What about the Demon Possession?" "No, Lancer's luck is E, how many masters has this thing killed?" "Gaia Foundation?" "I don't want to be a cross-dresser!" "Then what do you want? Tell me, and I will grant it to you." "I want the Demon God Manifestation!" "But, this Imperial Arm is on Esdeath, if you want it, wouldn't you be taking Esdeath home with you?" "Your Majesty is wise, I thank Your Majesty for the marriage!"

[System Flow] [Immortal Slaughtering Sword Formation] [Twin Martial Souls]

After transmigrating to the Douluo Continent, Su Yu awakened a heaven-defying Zhuxian Sword Formation Martial Soul!

With such an extraordinary martial soul, it's only natural that he's invincible!

However, Su Yu also awakened his own system, and the style of the story began to change:

Xiao Wu: "Brother Su Yu, Xiao Wu likes you so much. Tang San? Who is Tang San?"

Zhu Zhuqing: "Brother Su Yu is the most powerful man in the world!"

Ning Rongrong: "What giant sausage? It's nothing compared to Brother Su Yu's Immortal Execution Sword!"

Qian Renxue: "You scoundrel Su Yu, you started this the first time we met..."

Fatti, transmigrated to the world of DanMachi, starts with a fully-equipped arsenal of three magic spells and seven skills. Unfortunately, his potential is extremely limited, preventing him from seeing further. It's only after accidentally discovering a hidden treasure chest function that his life takes a dramatic turn. He opens invitations to recruit familiars from other worlds, acquiring various magic books and transforming himself from a mage into a noble sorcerer. With the goddess Demeter as his backer, he secretly accumulates strength, manages his familiar, and quietly develops his power. From then on, he cautiously and steadily begins his fantastical life in this other world.

(Yandere)

Su Cheng was originally just an ordinary high school student. After we were all living our lives to the fullest during the Universiade, he transmigrated into the body of an adorable male succubus.

At first, he thought he was very lucky, until he was taken good care of by the "motherly" leader of the ensemble. Then he realized that this was a world that would plunge him into an abyss.

[Various anime/manga crossovers, multiple female characters, Tokyo Ghoul, Detective Conan, High School DxD, Heaven's Lost Property, Jackie Chan Adventures, etc.]

Asagi, Akane, Himawari, Idol Girlfriend?

Regarding the issue of the unconventional world he transmigrated to, Hinata Gen said he didn't care at all. This was a paradise, where all the action and passion could go to hell; it was all about slow-burning daily life and collecting girls.

[Game-Fused Reality + Universal Access + Rebirth + Multiple Heroines] Jiang Chen, newly reborn, opens his eyes to find a village bully harassing his sister-in-law. Jiang Chen beats up the bully, rescues his sister-in-law, and then, using his memories from his previous life, helps her improve her strength in a game called "God's Domain"... By the time the game and reality merge, Jiang Chen has already become a peerless master. Holding a sister in his arms, his combat power doubles! Holding a sister in his arms, corpses litter the ground!