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...
Sophie-chan, aren't you hot
 in those long sleeves?
صوفي-تشان، ألا تشعرين بالحرّ بتلك الأكمام الطويلة؟
Sind langärmlige Sachen für dich
wirklich okay?
Sophie-chan,
¿no tienes calor con esa ropa?
Sophie-chan,
¿no tienes calor con esa ropa?
Tes manches longues
ne te gênent pas ?
Sophie-chan, 
non hai caldo con le maniche lunghe?
Sophie-chan, você não sente
calor com essas mangas longas?
Софи, а тебе с длинным рукавом не жарко?