Fripside is a Japanese pop rock duo known for their energetic sound and strong association with the anime industry. Formed by composer Satoshi Yaginuma and vocalist Sachika Misawa, the group has built a significant discography characterized by high-tempo rock arrangements and Misawa's distinctive vocal delivery. Their music frequently serves as theme songs for popular anime series, establishing them as a staple in the anime music scene. Tracks like Sister's Noise exemplify their signature style, blending driving rhythms with emotive melodies that resonate with fans of the genre. Over the years, Fripside has released numerous albums and singles, contributing to the broader landscape of Japanese pop and rock music. Their work continues to be celebrated for its dynamic production and ability to capture the spirit of the visual media they accompany.