Music TO1 Says It’s All “UP2U” In “Troublemaker” Comeback Teaser By Radio Power Strike On Nov 7, 2022 Share TO1 has unveiled a “Troublemaker” group concept photo for their upcoming comeback with “ᑌᑭ2ᑌ”! TO1 has released their first set of individual teasers ahead of their “ᑌᑭ2ᑌ” comeback!