A boy cross-dredded to get into an all-girl school. Caught by several of the students, they make hiim their sex slave.

Several other shorter stories, including a pair of sisters who seem rather closer than is healthy, a shopgirl and teacher getting a blowjob from two students at once.

http://doujinshi.mugimugi.org/book/23689/Inwai-Musume/

Base +18