"If I had done this..." "If only that would happen..." The What-If stories still haven't stopped. Or so we thought, but then arises a friendship-shattering crisis among the three girls who were supposed to be linked together with an unbreakable bond! Plus, Key's past becomes clearer and clearer?! Check out the work everyone is talking about that has surpassed 1,100,000 copies sold!

Publication Year: 2016