This fanfiction is the one you're all talking about, the one about Bo and Harry. credit goes to han-rawr.tumblr.com

All eighteen year old Anna Lee wanted was a summer babysitting job. That's exactly what she got when she received a call from someone named Simon requesting a babysitter for his five sons. Who knew that the five boys would be the boy band One Direction? Or that sometimes they'd be babysitting her! (disclaimer: this was written by thirteen-year-old me, don't expect anything fantastic despite the amount of readers)