生き血を吸えない吸血鬼の少年が、館の主と協力して人間の血を吸うためにゆるゆると奮闘していく物語「Demerit Vampire」のまとめです。
(This is a compilation of the story "Demerit Vampire," in which a vampire boy who cannot suck living blood struggles loosely to suck human blood in cooperation with the lord of the mansion.)