Happiness Vol. 6 Manga
(W/A/CA) Shuzo Oshimi
A supernatural story of sexual awakening, growing up, and suburban vampirism, Happiness follows a dorky boy who is attacked by a girl in an alley. She sucks his blood and gives him a choice: life or death. He chooses life, but finds himself nearly overwhelmed by a new thirst and a fascination with the necks of his classmates.