Kamuro Aya, Miyaji Mahoro, Hinakura Riko, and Yomine Miharu all chase a balloon only to end up in their lesson room.
Suddenly seeing the four gathered like that, CEO Masaki smiles a smile full of meaning and says that "It's all inevitable."
Meanwhile, Aya is taking care of a weakened little cat.
Judging from its surgery wounds, Mahoro deduces that it's not a stray cat, but a lost pet.
Thus begins the search for its owner, but having grown attached to the cat, Aya can't quite put her heart into the search
...becoming the bond that connects 
our memories and hearts...
...ويصبح الرابط الذي يصل ذكرياتنا وقلوبنا
… mögen unsere gemeinsamen Erfahrungen
uns enger miteinander verbinden.
Tal como nuestros recuerdos
unen nuestros corazones…
Tal como nuestros recuerdos
unen nuestros corazones…
… les moments vécus ensemble
deviennent les liens qui nous unissent.
...e diventando il legame che
collega i nostri ricordi e i nostri cuori...
...e se torna o laço que conecta
nossas lembranças e nossos corações...
Становится узами, соединяющими 
наши воспоминания и сердца...