Third volume in the “Imouto Series”.

1. Imouto Kyoukaisen (義妹境界線); Comic Penguin Club 2012-07
   
2. Imouto Zettai Mesen (義妹絶対目線); Comic Penguin Club 2012-10
   
3. Imouto Neko-kei (義妹絶対猫系); Comic Penguin Club 2012-12
   
4. Imouto Borderless<Imouto Borderless/b> (義妹ボーダレス); Comic Penguin Club 2013-08
   
   5-6. Imouto Bosei Honnou (義妹母性本能); Comic Penguin Club 2012-08, 2013-06
   
   7-8. Imouto Bansoukou (義妹絆創膏); Comic Penguin Club 2013-02, 05
   
5. Imouto Aigan 365-nichi (義妹愛玩３６５日); Comic Penguin Club 2013-04
   
6. Imouto “Shitsuke” Aigan (義妹「躾」哀願); Comic Penguin Club 2013-07
   
7. Imouto Shojo Gensou (義妹処女幻想); Comic Penguin Club 2013-09