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.
Condiments can be sweet or 
spicy, kind of like emotions.
.يمكن أن تكون البهارات حلوة أو حارّة، مثل المشاعر
Comme les sentiments, les condiments
peuvent être sucrés ou salés.
I condimenti possono essere dolci 
o piccanti, un po' come le emozioni.
Condimentos parecem sentimentos,
ora doces, ora ardidos.
Соусы могут быть сладкими или острыми,
прямо как эмоции.