自願

自 = 丶 + 目 : Mnemonic symbol: a hand mirror, which someone uses to look at themselves.

The Eye of Providence (目) is looking at itself (自) in a handheld mirror (自) in the space station's bathroom (Ø4). It think it's indeed looking very good, since Zorro (z) attached a petal (丶) to its eye (目).

愿 = 原 + 心 : Yu the Great finds a live nuclear bomb in the anthill's bathroom and instantly occupies it. She paints hearts everywhere and sincerely hopes that no a-bomb will ever be used.