Follow Saretara Owari(フォローされたら終わり)

Nakamura Sotaro and his eight best friends met while planning their high school cultural festival. Despite entering college and then the workforce, they've remained close. They seem to be the perfect group, but everything is not what it seems. After following a mysterious giveaway account on Twitter, they find themselves the victim of a merciless hacker who will stop at nothing to ruin their reputations and reveal their deepest secrets.