居間

居 = 古 + 尸 : Mnemonic symbol: 寄居蟹, ji4ju1xie4, a hermite crab.

A ghost is haunting Zeus and the hermite crab in front of the space station. While the hermite crab is able to retreat into the cloister it uses as shell, Zeus can only float away in horror.

间 = 日 + 门 : Mnemonic symbol: a changing cubicle.

间 = 日 + 门 : Joan of Arc wants to try a new approach of solving earth's energy crisis. In front of the anthill she set up a changing cubicle and invites the sun to try it out. The sun doesn't know that the Joan of Arc installed a trap door inside of the changing cubicle and plans to exploit the sun as quasi inexhaustible energy source once she captured her.