Q.I.S. is Yuuho Kitazawa’s new solo project after the peggies went on an indefinite hiatus in September, 2022. The name is an abbreviation of “Queens in Sweaters” personifies the values that each person should be recognised and play a leading role. Kitazawa has been the main composer and lyricist for the peggies and has produced songs used for commercials, anime, and other insert songs. She now continues her melancholic and effervescent composition style as a new solo artist and features music with an increased sense of freedom.