Let This Grieving Soul Retire, Vol. 4 (manga)

Krai''s party had safely and successfully completed the rescuemission-or so he
thought. But a new threat lurks in the capital:Sitri-s super-dangerous slime-the very
same one he had lost inthe White Wolf-s Den. As he searches for its whereabouts, an
unsettlingfeeling spreads throughout the city...