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 have a vague recollection of 
changing while I was half-asleep.
أملك ذاكرة مُبهمة بشأن
.تغيير ملابسي وأنا شبه نائمة
Ich muss mich wohl umgezogen haben,
als ich noch ganz verträumt war.
Recuerdo vagamente
cambiarme medio dormida.
Recuerdo vagamente
cambiarme medio dormida.
J’ai un vague souvenir
de m’être changée à moitié endormie…
Ho un vago ricordo del cambio d'abiti
mentre ero mezza addormentata.
Tenho uma vaga lembrança de me
trocar enquanto estava semiacordada.
Я примерно помню 
переодевание в полудрёме.