My universe will never be the same

When Illumi was little he meets two boys named Hisoka and Chrollo, the three of them were the vest of friends. One day Illumi had to leave Metro City and could never see them again, that same day Hisoka family was also leaving. All three of them were sad but vow to find each other when they're older.

Nineteen years later all three of them meet each other, what happens when Chrollo and Hisoka fall for Illumi? What if since both of them were young, they both been in love with Illumi? How will Illumi react? Who will Illumi choose?