The live anime project "Adventure Survivors", which got its start because of a web radio show, is renewed for another season.
On top of that, Miharu, Aya, Mahoro, and Riko are officially added to the roster of Project Himmel, joining Chun×4 and LUNA ω rabbits.
But then, Mahoro accidentally overhears something that dampens the mood.
It is a discussion about Miharu's plans to study abroad, when it was her who had been keeping their team together, rain or shine...
Aren't you all forgetting 
something very important?
ألم تنسوا أمرا مهما للغاية؟
Vergesst ihr nicht alle
etwas sehr Wichtiges?
Non state dimenticando
una cosa molto importante?
Não estão se esquecendo
de algo bem importante?
А вы ничего не забыли, случайно?