Blacksmith:
At any Tea House kill 100 opponents in a row.

Katsu Kaishu:
Finish the '100 kills' mode.

Takuan:
Finish the '108 earthly desires' mode.

Saigo Takamori:
Finish the 'Heroes of Satsuma' event.

Ikumatsu:
Finish with the "Path of Blood" ending.

Kiyokawa Hachiro:
Finish the 'Formation of Shinsengumi' event.

Okita Soji (alternate):
Finish the '1000 kills' mode.