​サディスティック仮面ちゃん (Sadistic Mask-chan), affectionately known as サディマス (Sadimasu), is a Japanese band formed in 2016. They are recognized for their unique blend of lively festival-like sounds and quirky lyrics, aiming to create a joyful atmosphere for their audience. ​The band’s music is characterized by energetic and festive sounds combined with unconventional lyrics, offering a fresh and engaging experience that stands out in the music scene. ​