Soul Drain, Life Drain, Death by Snu Snu, Etc.
If there is much interest, I will post more.
what would be the tag for this? Drain doesn't give many results
http://exhentai.org/g/858637/acceb9c7d2/
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=50313126
Can hardly ever find any with female victims
>>6682363
I know that feel all to well