Purple Skies

Sequel to Konketsu no Shoujo. Yumi's life seems to be going great, as she is now engaged to Hecadoth. However, when several children, including Baby Beel and a girl that Yumi babysits, mysteriously disappear, Yumi must team up with several humans and demons to complete a series of deadly tasks in order to save these children from a horrific, sinister plan.