From Storm in Heaven:
The innocent and beautiful priest Sera secretly loves his good friend, who will be married soon, even though he devoted himself to God. One stormy night Jin, a vampire in black, makes his appearance, as if he feels drawn towards this impure and polluted blood... With sweet words he seduces Sera into sin, but what is he really driving at?
Asato Eiri
Related works
From Beautiful Soup:
Matsuno Kaoru works for a department store that sells elegant men's clothing. At this department store, there is a mannequin named Mister Vierne that brings good business to the store. Strangely enough, Kaoru begins to notice how life-like Mister Vierne really is...