The robot (大) and the Queen of Hearts (qi) reached an agreement in the space station's bathroom (Ø4). Lacking a proper pen they sign their written deed (契) with an engraver (㓞).
箭
=
⺮
+
前
:
Joan of Arc (ji) programmed a new weapon. She uses her super secret lab in the anthill's bathroom (an4) to try it out for the first time. She stuck arrows (箭) into bamboo sticks (⺮) and can fire them remotely using a front panel (前).