My sister brought her friend over to stay at my house! While our parents were out, she made me drink her saliva and ended up becoming a masochist and having a female orgasm.

妹が友達を連れてウチに泊まりにきた！両親が居ない間によだれ飲まされ続け、モノの見事にM堕ちメスイキまでさせられてしまった