To Love Ru Darkness manga volume 16 features story by Saki Hasemi and art by Kentaro Yabuki.

After Nemesis was defeated by the King of Deviluke, Rito thought his life might settle back to nromal. Or, at least, his version of normal, full of alien mad scientists trying to conscript him into a harem! But there's a flaw in his logic: he absorbed Nemesis into himself to save ehr, remember? And now, as she begins to recover, she's enjoying taking control of hsi body at the most inopportune times...