Futaro wins a vacation from the lottery!! But somehow, the whole Quints family won ... the exact same prize?! Futaro meets up with the Quints on vacation with their grandfather's help and begins to discern exactly what makes each Quint unique! Will Futaro be able to gather their father's support over this holiday, or will it be a total bust? Find out in Volume 8 of The Quintessential Quintuplets!