碧井 刹那

自初中起就是Keiichi的学长，是人工血液开发者Aoi Juzo的孙子。 作为让Keiichi成为欧米伽吸血鬼的负责人，他给他戴上了项圈，以免他被alpha们抢走。 他对吸血鬼的威胁保持警惕，并为了保护人类免受其害而继续进行研究。 因为过度担心Keiichi的健康，他试图将他禁闭起来以管理他的生命体征，但是…… 属性：Beta (β)

简介来自 VNDB · 由机器翻译生成

Keiichi's senpai since middle school, the grandson of artificial blood developer Aoi Juzo. He is vigilant against the vampire threat and continues his research in order to protect humans from them. Because he is overly worried about Keiichi’s health, he attempts to confine him to manage his vitals, but… Attribute: Beta (β)

简介来自 VNDB