Watashi no Shumi tte Hen desu ka?  

私のシュミってヘンですか?

Mako fujiyama is an ordinary high school student with a peculiar pastime, which involves observing girls' bottoms and masturbating in the morning before going to school. one day, she encounters risa, who shares her own perverted tendencies. as a result of their encounter, makos life improves significantly when risa invites her for a closer examination. this story is part of the "himitsu no zettai ryouiki" collection.