Sapphire

Sapphire is a young girl who lives in the Stone World. She is a member of the Kingdom of Science and is a close friend of Senku Ishigami. Sapphire is a skilled engineer and is always looking for new ways to improve the Kingdom of Science's technology. She is also a talented fighter and is not afraid to stand up for what she believes in. Sapphire was born in the Stone World and lived a simple life until she was 15 years old. One day, she was out hunting when she came across a group of people who were different from her. These people were from the future and had come to the Stone World in order to help rebuild civilization. Sapphire was amazed by these people and their technology, and she decided to join them in their quest. Sapphire has been a valuable asset to the Kingdom of Science ever since she joined. She is a skilled engineer and has helped to improve the Kingdom's technology in many ways. She is also a talented fighter and has helped to protect the Kingdom from its enemies. Sapphire is a true hero of the Stone World and she is an inspiration to everyone who knows her.