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.
That I can't be a mother...
أنني لن أكون أمّاً
Dass ich keine Mutter sein kann …
Pourquoi je ne pourrai pas
être maman ?
Che non posso diventare madre...
Me dizer que não posso ser mãe?