Sachi Mima is a recurring character in the manga *Watamote* (*No Matter How I Look at It, It's You Guys' Fault I'm Not Popular!*), known for her sharp tongue and manipulative behavior. Sachi is characterized by her cunning and domineering nature. She often engages in gossip and enjoys belittling others, including her friend Minami. Despite her harshness, she seems to appreciate Minami's willingness to partake in such behavior, indicating a complex and somewhat toxic friendship. Sachi's relationships with other characters are marked by manipulation and control. She is a third-year high school student.