Kuroko and his brother Nagisa, they were both trained to be assassins and bodyguards. Their dad trained them since they were little. Kuroko fell in love with a red haired who sadly ended their relationship while Nagisa also fell in love with a red head but never saw him again. Nagisa is 16 while Kuroko is 17, they both have a job, it's a bodyguard job, they have to protect while killing others. Nagisa and Kuroko find out many things, they might get protected as well? Or not? Disclaimer: I don't own the characters or Kuroko no Basket and Assassination Classroom. I only own the AU/FanFiction