Yukiko Clan

Abilities of Kekkei Genkai:
You become harder to see (almost blend into the background)
You can become a shadow
There kekki genkai has a special ability called Angels Halo, it uses a lot of chakara and can only be used twice per battle, when she fires it at her opponent, it heads for them and if it hits, her opponent gets trapped to any surface and it depletes their energy depending on how long, there trapped (it takes about one day to deplete complete chakara) it also binds them in place, (it looks like, you know what angels halo's look like, well it looks like that but solid form and five different rings appear and trap your arms, legs and neck, also if it doesn't connect to any person withing two minutes it dissapates, the jutsu ends and half her chakara is gone.
They can mentally communicate with the dog family, eg-dogs, wolves, foxes ect.

Appearance when using Kekkei Genkai:
Eyes go catlike and black, claws appear on her hands body starts to faintly glow, you appear harder to see (after the glowing subsides)

History of Kekkei Genkai:
Unknown, The only other one who had this ability was Yumi's father Douasha Yukiko but he never told anyone of it, and Tora Yukiko but she just wants to forget it and refuses to tell anything about it

Users of Kekkei Genkai:
Douasha Yukiko
Yumi Yukiko
Tora Yukiko

Drawbacks of Kekkei Genkai:
The users slowly go insane/ mad over the years.
Uses a lot of chakara, can't use it much over the course of a battl