pkpk was crying last night and now her eyes are swelled up.  Tears are strange; you cry when you're happy and when you're sad.  This discussion of tears reveals a terrifying plot!
Did you cry at anything lately, kr-chan?
¿Tú has llorado últimamente, Koro-chan?
¿Tú has llorado últimamente, Koro-chan?
Você chorou por alguma
 coisa ultimamente, Krzinha?