Hoshitsugu Kotetsu and Hoshitsugu Shirone are non-blood-related siblings.
The younger sister Shirone, is an athlete. Her talents in figure skating, smooth skin, and hair that is brighter than snow, earn her the nickname Snow Fairy (Fee des Neiges), her reputation in her hometown Sendai, is spreading.
On the other hand, the older brother Kotetsu, is unknown...... If anything, he has a bad reputation as well. Although it is a misunderstanding for the most part, the fact that his blonde hair makes him intimidating is undeniable, the positions of the siblings are entirely opposite​. One day, in order to deliver something that Shirone forgets, Kotetsu heads to the skating rink, however......
"Nii-san should leave me alone. How about getting a girlfriend?"
"That's a good idea."