Isoide Nodo wo Sake!

"I got a boyfriend right after transferring to a new school!? I was feeling happy about it, but then I was subjected to insidious and extreme abuse from a group of girls! What is the method of revenge that I came up with while enduring the bullying...!?" " Ever since the arrival of the handsome transfer student, bizarre incidents have been occurring frequently around us. One after another, every hole in the girls' class is being blocked...!!" "I confessed to the STD department that I can't get an erection during sex. But for some reason, I have a strong reaction when my girlfriend is on her period. When I had the beautiful female doctor check it out, I found out that a shocking secret was hidden between my legs...!?" and 13 other stories in this horror short story collection by fantastic manga artist Shintaro Kago!! (This is a compilation of works published in the anthology magazine "Horror Ecstasy")