Once there was a high school student in a small village.He loves competition.His good name is Conan. He always be well prepared for the next day. For the example when his teacher is going to teach a new lesson next week,he learns & revises the lesson this week & be prepared.Because of this reason, he is the class topper.He excels all the school tests & assignments.Now one day in his school he finds a strange note in his desk. When he reads the note he awestruck.In the note it was written that "I Will Kill You Tomorrow".A lot of questions come to his mind, he thinks "why someone want to kill me?","Why someone holds a grudge against a high school student?","And especially why he informs me that he will kill me tomorrow?".Conan is nonplussed. He takes a deep breath & thinks about it.As Conan does things precedently,he cannot sit still. He suspects his classmates first & thinks it's a prank pulled on him. But then when he observes his classmates, he don't find anything strange.So after the completion of school time he goes to home & he notices something strange, when he reaches his house. He finds that the door is unlocked. And he finds his mother missing in home. He calls his mother & finds that his mother phone is left in home. Beside his mother phone he finds a strange note again. In the note it was written that "Next it's your turn, be prepared".