The members of Beit — Watanabe Minori, Takajou Kyouji, and Pierre — are shooting an video for the shopping district and decides to help out with their upcoming festival. In the midst of preparation, something happens to Pierre?!
Yeah! Happy, happy happi! Happippi!
!أجل! هابّي، هابّي، هابّي! هابّيبي
Yeah! Happy happy happi! Happippi!
¡Sí! ¡Happi happi happi! ¡Happippi!
¡Sí! ¡Happi happi happi! ¡Happippi!
Isso! Happy happy happi! happippi!
Ага! Хаппи, хаппи, хаппи, хаппи-пи!