Responses
I think it's How to Raise a Bat :)
Actually it's just Raising a Bat!
http://www.mangago.me/read-manga/raising_a_bat/
THANK YOU SO MUCH
yaoi about a vampire
The vampire's mom is school nurse
The uke thinks that the vampire and his mom r dating becuz he don't know that the school nurse is his mom
The vampire is a half vampire