In today's science class, the four girls learn about the 'green bug' which is known as euglena. Brimming with scientific curiousity, Jun can't stop wondering about what that might taste like, and agrees to go have euglena ramen with Koizumi-san. What is that absolutely foreign flavor going to be like???
It's just my natural curiosity 
about single-celled organisms.
هذا مجرّد فضول طبيعيّ بشأن 
.كائنات وحيدة الخليّة
Aus mir spricht lediglich
die Neugier für Einzeller.
Es mi curiosidad natural
por un organismo unicelular.
Es mi curiosidad natural
por un organismo unicelular.
c’est juste par curiosité
envers les micro-organismes.
ma solo per curiosità verso
gli organismi unicellulari...
É só uma curiosidade natural
sobre organismos unicelulares.
Я просто интересуюсь
простейшими организмами.