When Yoshino's reservations towards Mayu's resistance to talking about her past with I-1 boils over and a dark cloud hangs over the group, WUG takes a trip at Kaya's suggestion.
Come back, Airi!
Komm zurück, Airi!
¡Regresa, Airi!
¡Regresa, Airi!
Reviens, Airi !
Torna da noi, Airi!
Volte, Airi!