Sometime after Splitting up using the Kagamidama no Jutsu, both [[Hiyori Tennou]'s will seek to make up for their lost of age and power while at the same time becoming rivals to each other. One Weather Release(Kurobina) Hiyori's first attempts was by implanting her eyes with those of her long Lost Friend who was a Member of the "Sainou" clan, but while they were close enough genetic to accept Clan Members hers mysteriously mutated into Something she ended up called the Tenkousuiseigan. This Doujutsu is so far unique. I will clarify on the abilities of this Doujutsu some other time.