When a strange, mysterious boy with snowy white hair shows up at your school one faithful day, you've been barely able to take your eyes off him. As you begin to get closer and closer to him, could these feelings of friendship turn into something more? But Killua has a secret. A secret so deadly that if anyone ever found out, he'd have no choice but to kill them.

As you were driven to despair, a certain white haired boy saves you... Although he was only supposed to be a heartless assassin, seeing a powerless girl on the verge on death made him hesitate. The sight of your frail body caused a swell of pity, sympathy, and the most unbearable emotion of all - guilt. By being together, you taught each other the feeling of being in 'love' He touched your kindness, and you touched his. For the first time in his life, he felt the warmth of having someone by his side. To have someone dear enough be be called a 'friend' or maybe even more? Problems keep coming across, as you two are forced to be pulled apart. But it's not the end. Fate ties you together again... because this is 'destiny'