anyone calls a previously-unseen lurker out of the shadows because they could tell all along that person was there.
Chizuru serves tea.
Hijikata and Kazama face off.
Saito and Amagiri face off.
Harada and Shiranui face off.
When the three above occur at the same time, finish your drink.
Chizuru angsts about not being able to help more.
someone points out that not having to protect Chizuru would leave the Shinsengumi better off, but the Shinsengumi (or any individual member thereof) insists on continuing to do so anyway.
someone has an episode of fury bloodlust.
Kazama calls any member of the Shinsengumi "insects" or "dogs of the shogunate."