Katasuki Yuri is at a crossroads after suffering a miserable defeat at the Grand Prix Finals. Uncertain whether to retire or to continue, Yuri holes up in his family home. However, a chance circumstance causes him to catch the eye of five-time world champion Victor Nikiforov...
The "castle" has no historical basis and 
is a facade with a ninja house inside.
الـ"قلعة" لا أساس تاريخ لها ومظهرها من الدّاخل كبيت نينجا
Das Schloss ist nicht historisch
und beherbergt ein Ninja-Haus.
Il "castello" non è una struttura storica, 
solo una facciata con una casa ninja all'interno.
O castelo não tem 
nenhuma base histórica
У замка нет исторического прототипа,
а внутри всё сделано под особняк ниндзя.