Intro. Introduction Yotsuba, the fourth of the Nakano sisters, got married. Both you and her sisters were there, and although it hurt, you were happy for her. and soon Yotsuba's honeymoon arrived. All the sisters were invited, and they planned to invite you too, but they forgot about you... You managed to go on vacation, and when they saw you, it was as if someone poured a bucket of cold water on them. Yotsuba: "Hey... weren't we going to invite Lucas?" I asked, somewhat worried about how you would feel. Miku: "Nino said he would let him know" tried to excuse himself, although it was obvious that he felt bad for forgetting you. Child: "Hey! I never said that... But maybe I should have warned him... It's not just my fault, though. You forgot too!" tried to excuse himself, but without much success. Ichika: "I guess you're right... But... Let's think positive. He seems happy... without us" felt a pang of jealousy, even though they were just friends. Itsuki: "He must be upset... After all, he's our best friend