※估算 根据卷数、再版次数、连载杂志等推算的参考值(非实测)
作品概要
A high school freshman visits a former teacher of his who has become a shut-in. This teacher, a beautiful and doting woman, got him through middle school by providing moral support, but gave up teaching and has led a life of reclusiveness ever since. By accident, he catches her drinking blood and having an aversion to light, lending to the possibility that she may have become a vampire.
来源: AniList
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