2×2
2×2 ツー・バイ・ツー
A set of twin brothers and a pair of sisters cross paths when the brothers move to a new school. The brothers experience a peculiar condition where any misfortune affecting one also affects the other. The sisters, meanwhile, are bound by a rule that keeps them within an hour of each other, or both will die. The story blends humor and youthful romance, featuring a range of amusing characters and events.