Onsa Amano is a main character in the anime and manga series Bakuon!!. She is a lively and outspoken member of the motorcycle club at Okanoue Girls’ High School. Onsa is passionate about motorcycles, especially Suzuki bikes, and often shares her knowledge with her friends. As the daughter of a motorcycle shop owner, she is mechanically skilled and helps maintain the club's bikes. Onsa's energetic and comedic personality brings a lot of humor and enthusiasm to the group, making her an integral part of the series.