Alive?! Sequel to help me

Niall is alive and well, the boys, especially Liam and Harry want to find out why his heart stopped and where he went after 2 months. Liam and Louis decided to take an opportunity to start dating in secrecy while Niall was gone, that was until Niall walks into his now ex boyfriend and Louis kissing and they end up breaking up and decided they are better off as friends and Harry takes his opportunity to start dating Niall. Niall condition is gone now. Everything gone back to normal now..right? This is set in early 2014