Zoroku is making a trip to Yokohama to meet a client, so he takes Sana with him. Accompanied by Ichijo, Sana is impressed by the sight of the ocean and the robot-operated factory that she visits, and enjoys her day out to the fullest. Rejoined by Zoroku, the trio visits Chinatown, but then Asahi and Yonaga suddenly appear after being unseen ever since the research facility incident was resolved. The twins run away as Sana and Ichijo chase after them...
We've already reached the limit 
of what I can teach you,
،لم أعد أستطيع تعليمك المزيد
Bald kann ich dir nicht mehr viel beibringen.
Darüber muss ich mit Naito reden.
Ya hemos llegado al límite
de lo que puedo enseñarte,
Yo ya no puedo enseñarte más,
Je n’aurai bientôt
plus rien à t’apprendre,
Ormai ti ho insegnato
 tutto quello che potevo,
Logo, estaremos no limite
do que posso lhe ensinar.
Мы уже достигли предела, которому
я могу тебя научить,