Seinen - Page 180

Eita Chinami who aims to be a man among men accidentally drinks a very expensive magical medicine that changes his gender. And the only way she (formerly he) can change back to normal is to buy again that very expensive medicine. And his friend tells him the fastest way to do that is to become an idol. "summary by simple mark"

Spin-off from Boku dake ga inai machi. It tells the story of what happened while Satoru was in a coma.

In a tranquil rural landscape, isolated and high in the mountains sits Hisatate Town. Amagase Ryou, recently moved there from the city with his family. On his first day he witnesses the strange traditions of this place and cannot believe it, as anyone who breaks the rules is punished without mercy... The residents are viciously beaten for trivial reasons. What does the future hold for the newcomers when one of them break the rules?

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The story is set in the Edo period of feudal Japan. It revolves around Yamada Asaemon, nicknamed Kubikiri Asa (literally "Neck-chopper Asa", often transliterated as "Decapitator Asaemon"), a ronin who is responsible for testing new swords for the shogun. The character is based on a real-life line of sword-testers who served the Tokugawa Shogunate up to the early 19th century. -- Wikipedia

After years of frustration, Kim Gidoo is about to have his first time with the girl he loves. But then, he's kidnapped by a group of suspicious people, and learns that he's to become a hero thanks to his super-powered sperm...

From Dark Horse: In a time of chaos and war, a godforsaken era, twin sons are born to an emperor. But legend states that the son of the emperor shall be born a demon! But twins? Who is the demon, and who shall reign as emperor? Chunchu is the story of a young man saved from death by his mother, banished by his people, hunted by his brother, and tortured by the demons within. Living and fighting with a low-born warrior tribe who can never trust him, Chunchu lives a life of blood and violence, every day a struggle to survive. But something mysterious lurks within his cold exterior, something that could be awakened by the touch of a woman. * Manhwa of the Year in Korea-2003.

No synopsis information has been added to this title. https://myanimelist.net/manga/118693/Ossan_no_Remake_Bouken_Nikki__Auto_Camp_kara_Hajimaru_Isekai_Mankitsu_Life

When Eri Arisaki wakes up, she is put in prison for some reason in a different world. The prison has its own rules, and Eri is eventually involved in a big conspiracy... A different world prison survival that unfolds in a prison full of girls of different races, each with their own quirks, begins!

A story about two aliens that were sent to earth to scout for resources and their adventures in Tokyo

A young man meets his new step-sister, an asocial shut-in with messy black hair and massive breasts who is obsessed with him. Do I really need to elaborate?

An adaptation of Jules Verne's 1864 novel, "Voyage au centre de la Terre".<br><br>The story involves German professor Otto Lidenbrock who believes there are volcanic tubes going toward the centre of the Earth. He, his nephew Axel, and their guide Hans descend into the Icelandic volcano Snæfellsjökull, encountering many adventures, including prehistoric animals and natural hazards, before eventually coming to the surface again in southern Italy, at the Stromboli volcano.