The yukimura family was once part of the big three families but because they couldn't produce an heir to the clan with their treasured technique "disastrous ice" in a 1,000 years, so the other clans decided to slaughter them as they didn't have any value left to give to the jujutsu world but unbeknownst to the three clans,two people escaped to a little village high up into the mountains where it snows all year round and they had four sons and four daughters there and they deemed it the perfect life...until the youngest starts showing signs of having their treasured technique