People become afflicted by "mysterious diseases" when their hearts and minds are affected by "the mysterious."
Koto, a girl who produces mayonnaise from her eyes, visits Dr. Ramune, who specializes in these diseases that can't be explained by modern medicine.
She was brought to the clinic by Ramune's apprentice Kuro.
Koto explains that she also cries condiments other than mayonnaise, and Ramune offers her a mysterious treatment.
She says, "Save those tears 
for when you're acting."
".وتقول، "وفّري تلك الدّموع للتّمثيل
Que debo guardar las lágrimas
para cuando actúe.
Que debo guardar las lágrimas
para cuando actúe.
Elle m’a dit de garder ces larmes
pour jouer la comédie.
Dice "Tieniti quelle lacrime per quando reciti".
Ela diz pra eu guardar
essas lágrimas pra atuação.
Сказала, что лучше приберечь
эти слёзы для съёмок.