Sachi UMINO

Sachi Umino is a middle school student who has a brother complex. She is always trying to get closer to her brother, but he always seems to push her away. One day, she meets a boy named Nagi Umino, who is her brother's long-lost twin. Sachi is immediately drawn to Nagi, and she starts to develop feelings for him. However, she knows that she can never be with him because he is her brother. Sachi's brother complex is a major source of conflict in her life. She wants to be close to her brother, but she also knows that she can never be with him. This conflict leads to a lot of drama and tension in the story. Sachi is a complex and well-developed character. She is strong-willed and determined, but she is also vulnerable and insecure. She is a good friend and a loyal sister, but she is also capable of great cruelty. Sachi is a fascinating character who is sure to keep readers engaged.