 YSIG began first as punk band School Jackets.Formed in the spring of 1997 by the four members of Nuts & Milk along with former Fruity frontman Jun "JxJx" Saito, the band pioneered a raw, frantic blend of thrash, funk, punk, ska and soul.Saito said that he had wanted to create a blend of The Jackson 5 and Charles Bronson (band).