BTR and a baby

Characters: Kendall, Logan, James, Carlos, gustavo, Kelly, Katie, Joe, Camille and Jennifer. Story: Kendall, Logan, James and Carlos are at the studio preparing for their rehearsal, while they were getting ready they hear a knock on the door, your a boy, your 3 months old, Kendall is your dad but he doesn’t know it, your mom is Kendall’s ex named Lily, she is your mom but she can’t take care of you anymore so she leaves you on the doorstep with Kendall, Kendall is dating Joe. How will everyone react to Kendall being a dad and how will Kendall react to finding out he has a son he never knew about?