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.
Y-Yes, please. Thank you. I'd love some.
أ... أجل، من فضلك، شكراً لك
J-Ja, bitte. Vielen Dank.
Vaya, gracias por todo.
S-Sì, volentieri. Grazie mille.
T-Tá, com licença, muito agradecida.