"Butterflies are incredibly cute and beautiful, especially the one in class! Though, he can be a bit intimidating at times" In a world where heroes stand as symbols of hope, one boy's journey is driven by a shadowy past. After losing his beloved sister to a demon's savage attack, Y/n is left haunted by the memory of her gentle smile and the promise he couldn't keep. Determined to honor her and avenge her death, Y/n dedicates himself to rigorous training, mastering a unique and deadly fighting style that blends precision, agility, and venomous strikes. Now wielding a blade laced with poison and a resolve as unyielding as steel, Y/n enters U.A. High not to save the world, but to hunt down the creature that stole his sister's life. But as Y/n's path intertwines with other young heroes, he begins to question his motivations. Can revenge truly bring him peace? Or will the darkness in his heart consume him before he finds redemption? With his wisteria-like grace and deadly precision, Y/n discovers that sometimes, being a hero isn't about slaying monsters-but becoming the light others need.

╰┈➤ 𝐈𝐍 𝐖𝐇𝐈𝐂𝐇 A girl from the real world gets isekai'd to the Universe of Demon Slayer. What she didn't expect, was to be stuck in a harem between 3 particular uppermoons! What trials will Y/n have to overcome? Does she want to find a way to return to her original world, or will she accept the change? ▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄▀▄