Kawaime Yankee to Chidamari no Kimi

Synopsis

At her high school entrance ceremony, Saotomeyu, a "yankee" actress, encounters Yakushiji Hakana. Hakana is a beautiful but frail girl who has a peculiar reaction to Saotomeyu's antics: whenever Saotomeyu does something silly, Hakana vomits blood, a condition she refers to as "Blood Skinny."