Kurohyou to 16-sai

Taiga, a teenage girl with a complex about her aggressive nature, lends a drink to a boy she finds passed out from starvation, but he ends up stealing a kiss! Then, after she transfers to a new school, that boy, Anri Iseya, comes up to her and declares, she will be his pet…?!
This dangerous mission between a black beast and a strong-willed 16-year-old begins now!
(Source: Kodansha USA)