One fateful morning, Y/n wakes up in a world that seems both familiar and foreign. She finds herself inhabiting the body of Izuku Midoriya, the beloved protagonist of My Hero Academia.Disoriented and bewildered, Y/n soon discovers that not only has she taken over Izuku's life, but the boy's soul still lingers within, communicating with her telepathically. While he guides her through the chaos of being a middle schooler in a superhuman society, Y/n grapples with the shocking reality of her new existence.As Y/n navigates the trials of a world filled with aspiring heroes, she soon realizes that a dark twist awaits her: the people around her—friends, classmates, and even rivals—are inexplicably drawn to her, their affection transforming into an obsessive, yandere-like infatuation. This overwhelming devotion is unsettling; it’s as if her very presence is rewriting their emotions, creating a dangerous atmosphere where love is equal to obsession.Determined to reclaim her own identity and free herself from Izuku's body, Y/n embarks on a perilous journey filled with friendship, self-discovery, and despair.As she faces powerful villains, unexpected friendships, and the twisted love from her classmates, Y/n must find a way to sever the supernatural connection binding her to Izuku before it consumes both her and Izuku entirely.In a race against time, Y/n must uncover the secrets of her own soul, confront the darkness of obsession, and ultimately discover what it truly means to be a hero—both in her own right and in the world of My Hero Academia. Will she succeed in freeing herself from this chaotic new life, or will she become just another echo in the legacy of Izuku Midoriya?

Reina is your regular weeb who is obsessed over WTDSIK. She spent most of her life in a hospital bed due to her illness. So imagine her surprise when she suddenly wakes up in her favorite anime! Though, unlike the fanfics she read, she wasn't related to Iruma at all... But rather the missing Demon King Derkila!? read as Reina tries her best to fit into this chaotic world as a half blood. All she wants is to watch from afar, but it seems she won't be able to do so. Will she go back to her world? Or will she stay in the Demon realm for eternity? Find out in 'Welcome to Demon School, Reina-Chan!'