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Amazing Chat Group: Conquering All Heroines in All Worlds

Reincarnated in another world, Tetsuya Hiratsuji soon discovered that this world was actually a crossover of various anime he had watched in his previous life. Kasumigaoka Utaha was a fan of his novels, and from then on, they developed a relationship, with Utaha learning a great deal about novel writing from him. Kato Megumi, whose presence was fainter than the wind, was his classmate. Only he could perceive her existence, which brought them incredibly close. Alongside the bright and free-spirited Kitagawa Marin, who looked like a gyaru but was actually an otaku obsessed with eroge games and loved cosplaying. One day, a new transfer student named Yotsuya Miko suddenly appeared in his class, and Tetsuya realized that this world was no ordinary slice-of-life world! But right at that moment, Tetsuya awakened a golden finger called the Amazing Chat Group System, which connected him to countless people from various other worlds. He faced a zombie apocalypse in Saeko Busujima's world, killed Muzan Kibutsuji in Shinobu Kocho's world, and caught the attention of an Aeon in March 7th's world! From Japanese to Chinese fictional worlds, Tetsuya and the members of the chat group embarked on adventures, formed bonds, and grew stronger together. --------- Sorry for the bad grammar, english is not my native language and i am not very good at english. Also note, that some of the franchises here will not follow the original work for plot purposes. So, if there's anything different from the original story, it's because I changed it, or maybe because I don't really know/remember the original story.
Cultured_Supreme · 1.5k Views

GAMMA THRESHOLD

In a world divided by an uneasy ceasefire, two neighboring cities stand on opposite sides of evolution. One city, Arcadia, is home to citizens born with abilities that defy the laws of physics—telekinesis, spatial distortion, mind influence—powers that have shifted the balance of global conflict and pushed humanity to the brink of war. The other city lives in fear, restrained by technology, diplomacy, and the knowledge that they are already falling behind. Ren Takahashi, a quiet, analytical high-school senior from a poor family, dreams not of power but of resolution. He believes war can be ended through engineering—through a weapon or system precise enough to stop conflict without destroying the world. His life revolves around school, responsibility, and the pressure of a future he feels unprepared for. Everything changes when Ren, along with two classmates— Aiko Nakamura, perceptive and emotionally attuned, and Kaito Moriyama, impulsive and fiercely protective— are drawn into the hidden laboratory beneath their academy. Their biology teacher, Mr. Sashimoto, reveals himself as a rogue scientist obsessed with human evolution. Through a controlled—but flawed—experiment involving gamma radiation, the three students cross a critical biological limit known as the Gamma Threshold: the point at which the human body stops rejecting change and begins adapting to it. They do not gain powers instantly. Instead, they gain residuals—heightened perception, unnatural clarity, unstable abilities that manifest differently in each of them. As their bodies and minds evolve, so does the danger around them. When Arcadia detects their emergence, the conflict escalates. New, untrained individuals begin awakening across the city. Public incidents are narrowly contained. Secrecy becomes fragile. Morality blurs as Ren is forced into leadership—not because he seeks it, but because he understands the cost of failure. As Arcadia’s agents move in the shadows and governments circle from above, Ren must confront an impossible question: Can humanity evolve without losing itself? Gamma Threshold is a slow-burn action sci-fi manga about evolution, responsibility, and the terrifying truth that the greatest weapon is not power—but control.
JustMuzan · 4k Views