Having to spend a night in the same room with Chizuru sends Kazuya's heart and mind racing. Meanwhile, Kuribayashi Shun has a surprise in store...
But don't work your brain 
into a twist over it.
لا تقلب الموضوع برأسك
Also überanstrenge nicht deine Gehirnzellen, ja?
Va pas imaginer de choses bizarres.
Non interpretarlo in modo strano, intesi?!
Não vai pensar besteira, hein?
Не ищи в этом скрытый смысл.