Tsukiko has a dream while afflicted with the magic essence cold.
This dream uncovers more of Tsukiko's magic potential.
Without knowing what's real or not, she sees a memory of the "magic essence system" itself...
because "yesterday night 
must have been quite fun".
لأنّ ليلة الأمر كانت ممتعة بكلّ تأكيد
de venir vérifier
si tout s’est bien passé la nuit dernière.
dato che "ieri notte 
devi esserti divertito parecchio".
якобы вчера было уж слишком
весело, так что я захожу...