醋酸

醋 = 酉 + 昔 : Because Kitty Cat (cu) is chasing the rooster (酉) so often it decided to take revenge. In the space station's bathroom (Ø4) Kitty Cat is about to enjoy a milkshake (昔) into which the rooster poured a good shot of vinegar (醋).

酸 = 夋 + 酉 : The rooster (酉) and Susan Saint Bernard (su) where once friends, but recently they haven been fighting over a lover. Because they are both wuxia (夋) superheroes, they have been fighting for three days in front of the anthill (an1) without determining a winner. Finally they decide to settle their sour (酸) dispute and share a tart (酸) tarte to renew their friendship.