A young Kage is afraid of the world around him, but finds his courage when faced with a dangerous encounter. Shiina seeks for more strength, but comes to realize that the greatest strength of all is not directed inward, but is found when helping others.
The only thing that's 
certain is the temperature
الشّيء الوحيد المؤكّد هو درجة الحرارة
Sicher ist nur die Temperatur,
die wir spüren
A única coisa certa é essa temperatura