Y/n was captured by a group that wanted to experiment on v 1 subjects. and they found you a year after you were kidnapped, your was a break in, you had tried to escape from in that moment and was beaten and knocked unconscious. The boys had shown up, they were running throw the hall when y/n had been knocked unconscious. Butcher had ended up grabing you not wanting to leave you in that place as frenchie has saved kimiko. The boys end up blowing the place up ,brining you with them.