Keima and Elsie have successfully conquered Ayumi and captured the loose soul.  ──But they haven't completed their contract yet...!!
Elsie transfers into Keima's class, declares that she's his little sister, and announces that she's going to live in his house as well!
All for the sake of rounding up the loose souls in this city...  Who holds the next loose spirit?  And will Elsie be able to become Keima's little sister??
And you can use this opportunity
to improve your record.
Y puedes aprovechar esto 
para mejorar tu condición.
Y puedes aprovechar esto 
para mejorar tu registro.
E você pode usar essa sua oportunidade 
para melhorar seu histórico.