Yu is leaving soon and everyone decides they need to make sure their time together is memorable. But as they all go to a ski resort they begin to realise memories of a forgotten past.
If, just as Narukami-senpai says,
إن كان ناروكامي-كن محقاً
Si es como dice Narukami-senpai,
Si es como dice Narukami-senpai,
Cette histoire est si étrange