Tests are over for second semester, and the school is out for break, with Christmas in the air, but Chloe doesn't seem to be enjoying herself. The school starts worrying about her, but Chloe won't spill the beans. Erena and Kokomi can't take it anymore and set out to find the truth...
And there's this "mochi" thing 
that could kill you if you eat it!
Und dann gibt's dieses Mochi-Ding,
das einen töten könnte, wenn man es isst!
¡Y esa cosa que llamarse mochi 
que poder matarte si lo comes!
¡Y esa cosa que llamarse mochi 
que poder matarte si lo comes!
Enfin, il y a le mochi,
E poi ci sono questi cosi che si chiamano "mochi"
che potrebbero ucciderti quando li mangi!
E tem esse tal de "mochi" que 
pode te matar se você comê-lo!