Katabami-san wants to get sucked by a vampire.

Chapter 6
Chapter 5
Chapter 7
Chapter 5
Chapter 7
A twitter series from Hitotose Hirune of (https://mangadex.org/title/de5343e8-5af6-4942-9e91-03073c9b6ec2/dorobou-chan) fame that they're doing "for fun," about a high school girl trying to entice her vampire classmate to suck her blood.
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