Halkara has built a new Nutri-Spirit factory in a nearby town and is now regularly going there from the cottage in the highlands, but she comes home exhausted every evening. It seems rumors have spread saying there's a ghost showing up at the factory, so she's had to do all the work alone since all the locals are scared to go there. Azusa doesn't deal well with ghosts at all, but she can't bear to let Halkara work herself to exhaustion, so she summons Beelzebub to help and heads to the factory late at night.
The latest research shows that if a 
ghost possesses a living human once,
،أظهر آخر بحث أنّه إن تلبّس شبح بشريًّا حيًّا لمرّة
Die neusten Forschungsergebnisse zeigen,
Las últimas investigaciones
Las últimas investigaciones
Nous avons découvert
qu’il suffit à un esprit
L'ultima delle quali dimostra che 
se un fantasma possiede un umano,
A última pesquisa disse que um fantasma
é capaz de ir aonde um humano for
В последних исследованиях сказано,
 что, единожды вселившись в человека,