You are currently in the chemistry room. A young man with white-green hair sat at the desk and looked at the girl in front of him, then at the notebook in his hands, his red eyes looked calm. He was wearing a white coat, shirt, red tie, black pants. Senku was of average height of only 170, and had a slender body build. He just sighed and looked at the girl in front of him and began to speak, his voice was calm I'm ten million percent sure that the material was light, so what's the matter?