Kentaro Yabuki To Love-Ru Darkness Vol. 4

The sequel to To Love-Ru, To Love-Ru Darkness continues the story of high schooler Rito Yuuki and his housemates Lala, Momo, and Nana – all of whom are alien girls from the planet Deviluke who have come to marry him! They’re joined by Mikan, Rito’s little sister, and Yami aka Golden Darkness, a shy assassin whose mission is to kill Rito but who would rather read books and eat takoyaki. With Momo intent on enacting her Harem Plan, Rito constantly finds himself in outrageously ecchi situations. However, things are turned on their head when Mea, a mysterious girl who claims to be Yami’s little sister, enrolls in their high school…
Vol. 4 contains chapters 13-16 plus two extra chapters and spans 193 pages.
Notice: This manga is written in Japanese.