別に興味ない、あの子はもう 違う話をしようよもっと That's not fun 君との party じゃん 似てる you and me 聞き合う秘密 わかるよ全部 聞こえる ring-ring このままずっと こうしていたいよ Can't you see that it's our time? No B-Y-O-B, bring your own best friend B-Y-O-B, 忘れて boyfriend Stop 入らせないよ Now It's only for us B-Y-O-B, bring your own best friend あ、また SNS に「いいね」まさか 関心があるなんて oh my God まさか That's not fun 二人似合うなんて 君はまた話中 That boy's too cool, too cute 理解もできなくて どうしてなの？ Secret invitation, 一つのルール Can't you see that it's our time? No B-Y-O-B, bring your own best friend B-Y-O-B, 忘れて boyfriend Stop 入らせないよ Now It's only for us B-Y-O-B, bring your own best friend Da-da-da, da-ra, da-da-da-da Da-da-da, da-ra, da-da-da-da Stop 入らせないよ Now It's only for us BYOB, bring your own best friend Da-da-da, da-ra, da-da-da-da Da-da-da, da-ra, da-da-da-da Stop このルールは Now It's only for us B-Y-O-B, bring your own best friend