"Mafuyu Satō" is one of the major characters of the manga given. Lead vocalist of the band Given, Mafuyu appears to be ditzy and oblivious, though he has proven to be a musical prodigy by his skills in playing guitar. He joins the band after a fated encounter in high school, with his passion and dedication allowing him to seamlessly join the band. He first appears in The Biggest Hunger Games Sim.