After Mito loses her parents and is fired from her job, she must fend for herself on the streets disguised as a boy. She comes across a stranger named Ruka and learns his dark secret—he's a vampire! Ruka invites Mito, still in disguise, to live in an all-boys dorm. Mito exchanges her blood for a place to stay, but a budding romance and her true identity threaten all that hangs in the balance.

After Mito loses her parents and is fired from her job, she must fend for herself on the streets disguised as a boy. She comes across a stranger named Ruka and learns his dark secret—he's a vampire! Ruka invites Mito, still in disguise, to live in an all-boys dorm. Mito exchanges her blood for a place to stay, but a budding romance and her true identity threaten all that hangs in the balance.