When Sophie enters the living room, she finds Akari and Hinata staring tired and defeated at the table.
She then finds out that summer break is almost over, yet almost none of their homework is finished, 
which is why the two of them are doing a homework marathon.
Then, with progress already being slow, Erie makes an appearance.
She suggests that she could help with the homework, however...
Japan's largest electric city?
أكبر مدينة كهربائية في اليابان؟
Dort wurden viele
Elektronikartikel verkauft?
¿El barrio de electrónica
más grande de Japón?
¿El barrio de electrónica
más grande de Japón?
Le plus grand quartier
d’électronique du Japon ?
La città elettrica più grande del Giappone?
A maior cidade de eletrônicos do Japão?
Величайший электрогород Японии?