Up to his armpits in trouble, Densuke has been pulled into all kinds of sticky situations because he's in the Eiken Club with a bevy of busty girls, and he can never get any quality time with his dear Chiharu, and now, Chiharu's sister Yuri seems intent on having Densuke all to herself and she'll do anything to make sure that Densuke's quality time is spent with her.
Chapter List: 53. It's Shinonome Family Time! 54. Let's Sleep in Miharu Shinonome's Room at an All Girls Dorm 55. Members! Members! Get To Work! 56. Dripping Wet Chiharu 57. Let's Go Visit Densuke!! 58. Lin's Happy Voyage 59. Family Love, Student Love? 60. Professor and the Ocean 61. Hakata Feeling