Antisocial, dorky boy seeks fun-loving, sexy vampire for blood-sucking and transforming into her minion. Nanakusa is a vampire. That's okay with human Ko. He wants to be one too. But transformation doesn't come that easily... One sleepless night, Ko slips out to walk the streets. Life after dark is a revelation When flirtatious Nazuna invites Ko to spend the night at her place in an abandoned building, he's stoked But then he awakens...