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.
A Few Days Later
بعد بضعة أيام
Ein paar Tage später
Unos días después
Quelques jours après
Qualche giorno dopo
Alguns dias depois