Mysterious teen transferred to Tsuna's class and giving him and his Guardians the odd look. The look with mixed expression, shock, happy, and sad at same time. Who's Allen Walker?

One day, a letter is delivered to Shinichi's door with a with a peculiar seal. It invites Kudo Shinichi and any other comrades to go to a very suspicious ball at an unknown place Since Kudo is now a very little four eyed midget, he decides to ask Professor Agasa to sort it out. Since The Professor is busy on the day, he asks Kogoro and Ran to take the invitation along with the detective boys and other characters as well What adventures await them at this big hall and who really is the 'Organisation' called Vongola And what if Kid enters the fray as well? Read to find out... This is my very first fanfic EVER! So please be kind. Sorry if there are any grammar or spelling mistakes and I'll try and update daily! Thank you!~Miki-Chan! Edit 15/03/18 This has been abandoned I will post a chapter soon on why but this is now up for adoption so if anyone wants to carry it on please pm me