Years after the challenge of changing a geeky goth into perfection and the promise of free rent in a big mansion, someone joined the story to add even more chaos in the Nakahara household. Everything was normal. Well, if you consider ghosts and a geeky goth "normal". That was until the key of memories and the past was turned.

Usui left Misaki for his family, but upon his return Misaki went missing and no one knows where she was. Usui, extremely surprised went to previous Seika High which was changed into international school and a new character was revealed.