"He’ll do it with anyone who asks, you know. Even me."

Hisato, a vampire, has been a foster parent and the centre of affection for Shuuri, a university student for the longest time. Hisato will kiss, have sex, even say words of love if one wishes for it, but... Wanting to become the “soulmate“ that Hisato has been yearning for, Shuuri has been eliminating people getting close to Hisato relentlessly—the never ending humans who offer their blood and body to Hisato and seek pleasure from getting their blood sucked.