Prologue: After all the conflicts Tsuna encountered with his friends his now 17 the age where he will be taking the Vongola Decimo title. After their last reunion Luchia and the others goes to Coco's private beach where she and her parents will always be Gaito and Sara came along Aqua Regina give them another chance to live with them. What will happen if these two families faces a crisis together? Will Tsuna and his friends finds what Luchia and the others secret? Find out in these book