Books in the Necromance series

"The party reunites in time to set sail for the land of sun, Akebono! Hot on a lead, they join in the revelry of the sizzling Overlord Overload Summer Festival. An accidental date takes a sinister turn when Lyco and Vib stumble through a magic gate, trapping them in a hellish face-off against the powerful Lupine. Are Lyco's talents strong enough to hold off the powerful demon? Elsewhere, Shibuki must calm the roiling tensions between demons and humans in Akebono before things get out of hand...Will the Demon Lord-slaying party of friends be able to pull off the feat a second time?"--Publisher.