I assume you're referring to the anime/manga series ( Chiyu Mahō no Machigatta Tsukai Kata ), and you want a fictional story about a pirate site called Movies4u.Vip that hosts it—perhaps with a twist where using the site "wrong" leads to real-life consequences similar to the show’s premise.
He ran to his laptop. Movies4u.Vip was still open. A new message blinked: "The right way to use healing magic is not to fix the wound. It is to guide the body's natural rhythm. Stop forcing. Start listening." Kenji returned to his father. He placed his palms gently on his father's chest. Instead of shouting "Heal" in his mind, he closed his eyes and imagined the heartbeat—not as a broken machine, but as a tired drummer. He didn't push magic. He listened . -Movies4u.Vip-.The-Wrong-Way-to-Use-Healing-Mag...
Warm green light pulsed from his fingers. Slow. Steady. His father's breathing eased. The color returned to his face. Kenji felt the artery relax, the clot dissolve, the heart find its tempo again. I assume you're referring to the anime/manga series