Galko's skin got really dark as a result of tanning.
Otako comments that since Galko's skin has tanned so much, her nipples must be dark as well. Along with Ojou, Otako yells that Galko has dark nipples.
Huh? Was the example too hard to grasp?
أكان المثال صعب الفهم؟
Nanu? War das Beispiel zu komplex?
¿No entendió mi explicación?
Tiens ?
Forse il mio esempio 
non era proprio immediato...
Ué? Será que o exemplo foi 
muito difícil de entender?