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...
This one won't wilt or shrivel 
at night, and it's practical!
!لن تذبل أو تتقلّص ليلًا، كما أنّها عملية
Die verwelkt nicht und schrumpft nicht ein
in der Nacht. Außerdem ist es praktisch.
Esta no se marchitará ni se secará,
y además es práctico.
Esta no se marchitará ni se secará,
y además es práctico.
Elle fanera pas
et se fermera pas le soir.
Questa non appassirà
né avvizzirà di notte, ed è molto utile!
Essa aqui não vai secar nem murchar
à noite, e também é prática!
Так он не завянет ночью
 и будет полезен!