The Tachi Uchi no Kurai Koden waza were created by Hasegawa Chikaranosuke Eishin. There is also a reduced set of 7 forms formulated by Oe Masamichi Shikei.
All kata begin from tachiai for both uchidachi and shidachi.
"There can never be a complete confidence in a power which is excessive."
Tacitus -