In the book, Whibley, 44, claimed that in the band’s early days, he was groomed and sexually and verbally abused by Nori. He alleges that the grooming began when he was 16 and Nori — who’s also the frontman for the Canadian punk band Treble Charger — was 34.

My Life Through Heaven and Hell,' Sum 41's Deryck Whibley claims the alleged abuse began when he was 18 and lasted until the band fired his purported abuser in 2004.

Sum 41’s Deryck Whibley claims he was groomed and sexually abused by former manager - Whibley describes the alleged encounters in his new memoir, ‘Walking Disaster’

Deryck Whibley of Sum 41 is opening about the sexual abuse he allegedly suffered during his relationship with the band's former manager, Greig Nori.

My Life Through Heaven and Hell,' he recalls the former couple's relationship was "based on sex, drugs, booze and partying"

Canadian rock band Sum 41 frontman Deryck Whibley has accused the band's first manager, Greig Nori, of grooming and sexually abusing him, from when he was a teenager. In an interview with the Los Angeles Times,

Treble Charger frontman Greig Nori is denying he pressured Deryck Whibley into a sexual relationship more than two decades ago — an allegation the Sum 41 singer levelled in his new memoir.