All of our key characters, as well as some new ones, feature in this sequel to To-Love-Ru. Rito is still getting caught up in uncensored ecchi scenes. Rito's love confession is still being grabbed by the extraterrestrial Deviluke sisters, who employ their special talents. Nana and Momo have arrived at school and meet Mea, who appears to be a carefree and happy young lady. Momo, in particular, wishes to share Rito with others and form a harem for him. She meets Golden Darkness, commonly known as Yami, while plotting her strategy. They are stopped by pupils who have been possessed and have begun fighting with unusual vigor. Now a new narrative thread emerges, in which a mystery figure in charge of the pupils puts Yami's assassination talents to the test. Who is this mysterious newcomer?