As Akari's summer break has finally begun, she wracks her brain to come up with fun, summery things she can do together with Sophie.
However, the ocean or anything outside are all a bad fit for a vampire like Sophie.
Then she has a moment of clarity and realized that a firework festival is at night and a summery activity, so she immediately begins preparing yukata.
Erie and Hinata and join them to go to the festival, however...
I slept really well, since 
something was rocking me.
.نمتُ جيّدًا جدًّا بما أنّ شيئًا ما كان يأرجحني
Weil es so vibriert hat,
hab ich richtig angenehm geschlummert.
Dormí muy bien porque me mecían.
Dormí muy bien porque me mecían.
J’ai dormi à poings fermés
grâce au balancement.
Ho dormito benissimo, 
visto che qualcosa mi cullava.
Eu dormi muito bem, já que
algo estava me balançando.
Меня так хорошо качало, 
что я крепко спала.