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.
we need to put on a sad movie
علينا أن نعرض فيلمًا حزينًا لأرى 
.كم من المايونيز تُخرج عيناك
müssen wir herausfinden, wie die Mayonnaise
aus deinen Augen herauskommt,
pondré una película triste para ver
cuánta mayonesa te sale por los ojos.
pondré una peli triste para ver
cuánta mayonesa te sale por los ojos.
On va voir exactement
mettiamo su un film triste, così vediamo 
quanta maionese ti esce dagli occhi.
precisamos colocar um filme triste pra ver
como é a maionese que sai de seus olhos.
включим грустный фильм, чтобы я мог увидеть,