Demon Slayer: From the Start, I Awaken Demon Breathing and Save Kanae

[Demon Slayer] [Multiple Heroines] [No System] [Growth and Leveling Up] [Original Storyline] When Lin Feng awoke, he discovered that he had transmigrated into the world of Demon Slayer. The Breathing Style he awakened wasn't one of the five basic styles, nor was it Sun Breathing. It was something entirely unprecedented: Demon Breathing. It had been created a thousand years ago by a swordsman seeking a way for demons and humans to coexist. That swordsman had a close connection to Yoriichi Tsugikuni. Lin Feng stood in a gloomy forest, a woman's scream ringing in his ears. Kanae Kocho lay in a pool of blood as Upper Rank Two, Doma, leaned over her with a smile. With no time to think, he grabbed a broken branch and charged. That night, he awakened a Breathing Style that did not belong to this era. Demon Breathing was a special Breathing Style that used the power of demons to protect the human heart. He saved someone who should have died. But he also drew the attention of something far more terrifying. Muzan Kibutsuji wanted the "seed" inside him. Doma remembered his scent. The Hashira of the Demon Slayer Corps were deeply suspicious of him. And the thin wire connecting him to both demons and humans was inching toward the breaking point. Thankfully, the people he had saved had not forgotten him. The gentleness of Kanae Kocho. Shinobu Kocho's awkward protectiveness. Mitsuri Kanroji's devoted, wholehearted affection. Kanao Tsuyuri's quiet dependence. And the girl with a bamboo tube in her mouth, whose eyes curved into crescent moons...