Subaru Natsuki is a fictional character from the light novel series Re:Zero - Starting Life in Another World, created by Tappei Nagatsuki. He is a young man who is transported to a fantasy world, where he discovers he has the ability to return from death, allowing him to relive moments and change outcomes. Natsuki is characterized by his distinctive spiky hair and casual clothing. He often displays a mix of determination and vulnerability, facing various challenges and forming relationships with other characters, including Emilia and Rem. His journey explores themes of perseverance and personal growth.